91876752000 has 576 divisors, whose sum is σ = 362743715880. Its totient is φ = 22268928000.

The previous prime is 91876751999. The next prime is 91876752001. The reversal of 91876752000 is 25767819.

It is an interprime number because it is at equal distance from previous prime (91876751999) and next prime (91876752001).

It can be written as a sum of positive squares in 4 ways, for example, as 26704789056 + 65171962944 = 163416^2 + 255288^2 .

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (91876752001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 17421364 + ... + 17426636.

Almost surely, 2^91876752000 is an apocalyptic number.

91876752000 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91876752000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181371857940).

91876752000 is an abundant number, since it is smaller than the sum of its proper divisors (270866963880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91876752000 is a wasteful number, since it uses less digits than its factorization.

91876752000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5330 (or 5294 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 91876752000 in words is "ninety-one billion, eight hundred seventy-six million, seven hundred fifty-two thousand".