76777376663 has 32 divisors (see below), whose sum is σ = 87948806400. Its totient is φ = 66508646400.

The previous prime is 76777376657. The next prime is 76777376677. The reversal of 76777376663 is 36667377767.

It is not a de Polignac number, because 76777376663 - 2¹⁰ = 76777375639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76777376663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76777375663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4179683 + ... + 4198011.

It is an arithmetic number, because the mean of its divisors is an integer number (2748400200).

Almost surely, 2^76777376663 is an apocalyptic number.

76777376663 is a deficient number, since it is larger than the sum of its proper divisors (11171429737).

76777376663 is a wasteful number, since it uses less digits than its factorization.

76777376663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18683.

The product of its digits is 196036848, while the sum is 65.

The spelling of 76777376663 in words is "seventy-six billion, seven hundred seventy-seven million, three hundred seventy-six thousand, six hundred sixty-three".