78892963775 has 24 divisors (see below), whose sum is σ = 105279917904. Its totient is φ = 58427942400.

The previous prime is 78892963733. The next prime is 78892963817. The reversal of 78892963775 is 57736929887.

It is an interprime number because it is at equal distance from previous prime (78892963733) and next prime (78892963817).

It is not a de Polignac number, because 78892963775 - 2⁸ = 78892963519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78892963699 and 78892963708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1495637 + ... + 1547486.

It is an arithmetic number, because the mean of its divisors is an integer number (4386663246).

Almost surely, 2^78892963775 is an apocalyptic number.

78892963775 is a deficient number, since it is larger than the sum of its proper divisors (26386954129).

78892963775 is a wasteful number, since it uses less digits than its factorization.

78892963775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3043211 (or 3043206 counting only the distinct ones).

The product of its digits is 320060160, while the sum is 71.

The spelling of 78892963775 in words is "seventy-eight billion, eight hundred ninety-two million, nine hundred sixty-three thousand, seven hundred seventy-five".