77912831076 has 12 divisors (see below), whose sum is σ = 181796605872. Its totient is φ = 25970943688.

The previous prime is 77912831071. The next prime is 77912831077. The reversal of 77912831076 is 67013821977.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×77912831076³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (77912831071) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3246367950 + ... + 3246367973.

It is an arithmetic number, because the mean of its divisors is an integer number (15149717156).

Almost surely, 2^77912831076 is an apocalyptic number.

It is an amenable number.

77912831076 is an abundant number, since it is smaller than the sum of its proper divisors (103883774796).

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

77912831076 is a wasteful number, since it uses less digits than its factorization.

77912831076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6492735930 (or 6492735928 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 51.

The spelling of 77912831076 in words is "seventy-seven billion, nine hundred twelve million, eight hundred thirty-one thousand, seventy-six".