78793862 has 24 divisors (see below), whose sum is σ = 138126960. Its totient is φ = 33611760.

The previous prime is 78793829. The next prime is 78793873. The reversal of 78793862 is 26839787.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 78793862.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20687 + ... + 24197.

It is an arithmetic number, because the mean of its divisors is an integer number (5755290).

Almost surely, 2^78793862 is an apocalyptic number.

78793862 is a deficient number, since it is larger than the sum of its proper divisors (59333098).

78793862 is a wasteful number, since it uses less digits than its factorization.

78793862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756 (or 3749 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 50.

The square root of 78793862 is about 8876.5906743524. The cubic root of 78793862 is about 428.7105086492.

It can be divided in two parts, 787 and 93862, that added together give a palindrome (94649).

The spelling of 78793862 in words is "seventy-eight million, seven hundred ninety-three thousand, eight hundred sixty-two".