79965408 has 24 divisors (see below), whose sum is σ = 209909448. Its totient is φ = 26655104.

The previous prime is 79965407. The next prime is 79965439. The reversal of 79965408 is 80456997.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79965407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416391 + ... + 416582.

It is an arithmetic number, because the mean of its divisors is an integer number (8746227).

Almost surely, 2^79965408 is an apocalyptic number.

It is an amenable number.

79965408 is an abundant number, since it is smaller than the sum of its proper divisors (129944040).

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

79965408 is a wasteful number, since it uses less digits than its factorization.

79965408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832986 (or 832978 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 79965408 is about 8942.3379493285. The cubic root of 79965408 is about 430.8248238821.

The spelling of 79965408 in words is "seventy-nine million, nine hundred sixty-five thousand, four hundred eight".