78976942 has 12 divisors (see below), whose sum is σ = 130214448. Its totient is φ = 35898500.

The previous prime is 78976913. The next prime is 78976957. The reversal of 78976942 is 24967987.

It is a self number, because there is not a number n which added to its sum of digits gives 78976942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 162934 + ... + 163417.

It is an arithmetic number, because the mean of its divisors is an integer number (10851204).

Almost surely, 2^78976942 is an apocalyptic number.

78976942 is a deficient number, since it is larger than the sum of its proper divisors (51237506).

78976942 is a wasteful number, since it uses less digits than its factorization.

78976942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326375 (or 326364 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 52.

The square root of 78976942 is about 8886.8972088125. The cubic root of 78976942 is about 429.0422925651.

The spelling of 78976942 in words is "seventy-eight million, nine hundred seventy-six thousand, nine hundred forty-two".