91877472698368 has 768 divisors, whose sum is σ = 228562806162240. Its totient is φ = 36745903079424.

The previous prime is 91877472698353. The next prime is 91877472698377. The reversal of 91877472698368 is 86389627477819.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 466383110046 + ... + 466383110242.

Almost surely, 2^{91877472698368} is an apocalyptic number.

91877472698368 is a gapful number since it is divisible by the number (98) 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 91877472698368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114281403081120).

91877472698368 is an abundant number, since it is smaller than the sum of its proper divisors (136685333463872).

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

91877472698368 is a wasteful number, since it uses less digits than its factorization.

91877472698368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510 (or 475 counting only the distinct ones).

The product of its digits is 12290310144, while the sum is 85.

The spelling of 91877472698368 in words is "ninety-one trillion, eight hundred seventy-seven billion, four hundred seventy-two million, six hundred ninety-eight thousand, three hundred sixty-eight".