76774948476 has 24 divisors (see below), whose sum is σ = 179343534720. Its totient is φ = 25562794032.

The previous prime is 76774948433. The next prime is 76774948477. The reversal of 76774948476 is 67484947767.

It is a self number, because there is not a number n which added to its sum of digits gives 76774948476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76774948477) 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, 3595846 + ... + 3617133.

It is an arithmetic number, because the mean of its divisors is an integer number (7472647280).

Almost surely, 2^76774948476 is an apocalyptic number.

It is an amenable number.

76774948476 is an abundant number, since it is smaller than the sum of its proper divisors (102568586244).

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

76774948476 is a wasteful number, since it uses less digits than its factorization.

76774948476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7213873 (or 7213871 counting only the distinct ones).

The product of its digits is 398297088, while the sum is 69.

The spelling of 76774948476 in words is "seventy-six billion, seven hundred seventy-four million, nine hundred forty-eight thousand, four hundred seventy-six".