79278408 has 96 divisors (see below), whose sum is σ = 241862400. Its totient is φ = 23241600.

The previous prime is 79278371. The next prime is 79278413. The reversal of 79278408 is 80487297.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22938 + ... + 26166.

It is an arithmetic number, because the mean of its divisors is an integer number (2519400).

Almost surely, 2^79278408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79278408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120931200).

79278408 is an abundant number, since it is smaller than the sum of its proper divisors (162583992).

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

79278408 is a wasteful number, since it uses less digits than its factorization.

79278408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3283 (or 3276 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 79278408 is about 8903.8423166631. The cubic root of 79278408 is about 429.5875041880.

It can be divided in two parts, 792 and 78408, that multiplied together give a cube (62099136 = 396³).

The spelling of 79278408 in words is "seventy-nine million, two hundred seventy-eight thousand, four hundred eight".