76777571796 has 24 divisors (see below), whose sum is σ = 183989497440. Its totient is φ = 24900833952.

The previous prime is 76777571791. The next prime is 76777571797. The reversal of 76777571796 is 69717577767.

It is a self number, because there is not a number n which added to its sum of digits gives 76777571796.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76777571791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86460786 + ... + 86461673.

It is an arithmetic number, because the mean of its divisors is an integer number (7666229060).

Almost surely, 2^76777571796 is an apocalyptic number.

It is an amenable number.

76777571796 is an abundant number, since it is smaller than the sum of its proper divisors (107211925644).

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

76777571796 is a wasteful number, since it uses less digits than its factorization.

76777571796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172922503 (or 172922501 counting only the distinct ones).

The product of its digits is 190591380, while the sum is 69.

The spelling of 76777571796 in words is "seventy-six billion, seven hundred seventy-seven million, five hundred seventy-one thousand, seven hundred ninety-six".