79846380 has 36 divisors (see below), whose sum is σ = 242201232. Its totient is φ = 21292320.

The previous prime is 79846369. The next prime is 79846381. The reversal of 79846380 is 8364897.

It is a happy number.

79846380 is a `hidden beast` number, since 7 + 9 + 8 + 4 + 638 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (79846381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221616 + ... + 221975.

It is an arithmetic number, because the mean of its divisors is an integer number (6727812).

Almost surely, 2^79846380 is an apocalyptic number.

It is an amenable number.

79846380 is an abundant number, since it is smaller than the sum of its proper divisors (162354852).

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

79846380 is a wasteful number, since it uses less digits than its factorization.

79846380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443606 (or 443601 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 79846380 is about 8935.6801643747. The cubic root of 79846380 is about 430.6109577330.

The spelling of 79846380 in words is "seventy-nine million, eight hundred forty-six thousand, three hundred eighty".