78758693976 has 64 divisors (see below), whose sum is σ = 197779190400. Its totient is φ = 26135417088.

The previous prime is 78758693969. The next prime is 78758693983. The reversal of 78758693976 is 67939685787.

It is an interprime number because it is at equal distance from previous prime (78758693969) and next prime (78758693983).

It is a junction number, because it is equal to n+sod(n) for n = 78758693898 and 78758693907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8057220 + ... + 8066988.

It is an arithmetic number, because the mean of its divisors is an integer number (3090299850).

Almost surely, 2^78758693976 is an apocalyptic number.

It is an amenable number.

78758693976 is an abundant number, since it is smaller than the sum of its proper divisors (119020496424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78758693976 is a wasteful number, since it uses less digits than its factorization.

78758693976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11248 (or 11244 counting only the distinct ones).

The product of its digits is 960180480, while the sum is 75.

The spelling of 78758693976 in words is "seventy-eight billion, seven hundred fifty-eight million, six hundred ninety-three thousand, nine hundred seventy-six".