76770891996 has 24 divisors (see below), whose sum is σ = 179317353600. Its totient is φ = 25563829872.

The previous prime is 76770891971. The next prime is 76770892027. The reversal of 76770891996 is 69919807767.

It is a super-2 number, since 2×76770891996² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 76770891996.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3296346 + ... + 3319553.

It is an arithmetic number, because the mean of its divisors is an integer number (7471556400).

Almost surely, 2^76770891996 is an apocalyptic number.

It is an amenable number.

76770891996 is an abundant number, since it is smaller than the sum of its proper divisors (102546461604).

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

76770891996 is a wasteful number, since it uses less digits than its factorization.

76770891996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6616873 (or 6616871 counting only the distinct ones).

The product of its (nonzero) digits is 72013536, while the sum is 69.

The spelling of 76770891996 in words is "seventy-six billion, seven hundred seventy million, eight hundred ninety-one thousand, nine hundred ninety-six".