79781376 has 40 divisors (see below), whose sum is σ = 212546664. Its totient is φ = 26593280.

The previous prime is 79781369. The next prime is 79781381. The reversal of 79781376 is 67318797.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 24435 + ... + 27506.

Almost surely, 2^79781376 is an apocalyptic number.

It is an amenable number.

79781376 is an abundant number, since it is smaller than the sum of its proper divisors (132765288).

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

79781376 is an equidigital number, since it uses as much as digits as its factorization.

79781376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51962 (or 51946 counting only the distinct ones).

The product of its digits is 444528, while the sum is 48.

The square root of 79781376 is about 8932.0420957360. The cubic root of 79781376 is about 430.4940706380.

The spelling of 79781376 in words is "seventy-nine million, seven hundred eighty-one thousand, three hundred seventy-six".