78810200956 has 12 divisors (see below), whose sum is σ = 138013174768. Its totient is φ = 39377865312.

The previous prime is 78810200933. The next prime is 78810200969. The reversal of 78810200956 is 65900201887.

It is a super-2 number, since 2×78810200956² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6802281 + ... + 6813856.

Almost surely, 2^78810200956 is an apocalyptic number.

It is an amenable number.

78810200956 is a deficient number, since it is larger than the sum of its proper divisors (59202973812).

78810200956 is a wasteful number, since it uses less digits than its factorization.

78810200956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13617588 (or 13617586 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 78810200956 in words is "seventy-eight billion, eight hundred ten million, two hundred thousand, nine hundred fifty-six".