79914780 has 72 divisors (see below), whose sum is σ = 264451824. Its totient is φ = 19372800.

The previous prime is 79914763. The next prime is 79914797. The reversal of 79914780 is 8741997.

It is an interprime number because it is at equal distance from previous prime (79914763) and next prime (79914797).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18201 + ... + 22160.

It is an arithmetic number, because the mean of its divisors is an integer number (3672942).

Almost surely, 2^79914780 is an apocalyptic number.

It is an amenable number.

79914780 is an abundant number, since it is smaller than the sum of its proper divisors (184537044).

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

79914780 is a wasteful number, since it uses less digits than its factorization.

79914780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40387 (or 40382 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 79914780 is about 8939.5066977994. The cubic root of 79914780 is about 430.7338828759.

The spelling of 79914780 in words is "seventy-nine million, nine hundred fourteen thousand, seven hundred eighty".