78992355862 has 32 divisors (see below), whose sum is σ = 137576072448. Its totient is φ = 33314741856.

The previous prime is 78992355859. The next prime is 78992355863. The reversal of 78992355862 is 26855329987.

It is a junction number, because it is equal to n+sod(n) for n = 78992355794 and 78992355803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78992355863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 892953 + ... + 977419.

It is an arithmetic number, because the mean of its divisors is an integer number (4299252264).

Almost surely, 2^78992355862 is an apocalyptic number.

78992355862 is a deficient number, since it is larger than the sum of its proper divisors (58583716586).

78992355862 is a wasteful number, since it uses less digits than its factorization.

78992355862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85540.

The product of its digits is 65318400, while the sum is 64.

It can be divided in two parts, 7899235 and 5862, that added together give a palindrome (7905097).

The spelling of 78992355862 in words is "seventy-eight billion, nine hundred ninety-two million, three hundred fifty-five thousand, eight hundred sixty-two".