76780467775 has 12 divisors (see below), whose sum is σ = 103863033144. Its totient is φ = 55840340000.

The previous prime is 76780467737. The next prime is 76780467787. The reversal of 76780467775 is 57776408767.

It is not a de Polignac number, because 76780467775 - 2⁹ = 76780467263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139600576 + ... + 139601125.

It is an arithmetic number, because the mean of its divisors is an integer number (8655252762).

Almost surely, 2^76780467775 is an apocalyptic number.

76780467775 is a deficient number, since it is larger than the sum of its proper divisors (27082565369).

76780467775 is a wasteful number, since it uses less digits than its factorization.

76780467775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279201722 (or 279201717 counting only the distinct ones).

The product of its (nonzero) digits is 96808320, while the sum is 64.

The spelling of 76780467775 in words is "seventy-six billion, seven hundred eighty million, four hundred sixty-seven thousand, seven hundred seventy-five".