77775622676 has 24 divisors (see below), whose sum is σ = 150379467840. Its totient is φ = 35008975232.

The previous prime is 77775622649. The next prime is 77775622733. The reversal of 77775622676 is 67622657777.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24862766 + ... + 24865893.

It is an arithmetic number, because the mean of its divisors is an integer number (6265811160).

Almost surely, 2^77775622676 is an apocalyptic number.

It is an amenable number.

77775622676 is a deficient number, since it is larger than the sum of its proper divisors (72603845164).

77775622676 is a wasteful number, since it uses less digits than its factorization.

77775622676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49728703 (or 49728701 counting only the distinct ones).

The product of its digits is 72606240, while the sum is 62.

The spelling of 77775622676 in words is "seventy-seven billion, seven hundred seventy-five million, six hundred twenty-two thousand, six hundred seventy-six".