76778268275 has 12 divisors (see below), whose sum is σ = 95209823592. Its totient is φ = 61419536640.

The previous prime is 76778268269. The next prime is 76778268293. The reversal of 76778268275 is 57286287767.

It is not a de Polignac number, because 76778268275 - 2¹⁸ = 76778006131 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 523907 + ... + 654243.

It is an arithmetic number, because the mean of its divisors is an integer number (7934151966).

Almost surely, 2^76778268275 is an apocalyptic number.

76778268275 is a deficient number, since it is larger than the sum of its proper divisors (18431555317).

76778268275 is a wasteful number, since it uses less digits than its factorization.

76778268275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153910 (or 153905 counting only the distinct ones).

The product of its digits is 110638080, while the sum is 65.

The spelling of 76778268275 in words is "seventy-six billion, seven hundred seventy-eight million, two hundred sixty-eight thousand, two hundred seventy-five".