76740891048 has 112 divisors (see below), whose sum is σ = 217716090900. Its totient is φ = 25345405440.

The previous prime is 76740891043. The next prime is 76740891049. The reversal of 76740891048 is 84019804767.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 71940895524 + 4799995524 = 268218^2 + 69282^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 76740890985 and 76740891003.

It is not an unprimeable number, because it can be changed into a prime (76740891043) 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 27 ways as a sum of consecutive naturals, for example, 575328 + ... + 696048.

Almost surely, 2^76740891048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76740891048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108858045450).

76740891048 is an abundant number, since it is smaller than the sum of its proper divisors (140975199852).

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

76740891048 is a wasteful number, since it uses less digits than its factorization.

76740891048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120854 (or 120835 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 76740891048 in words is "seventy-six billion, seven hundred forty million, eight hundred ninety-one thousand, forty-eight".