78908032 has 96 divisors (see below), whose sum is σ = 191164320. Its totient is φ = 32288256.

The previous prime is 78908003. The next prime is 78908047. The reversal of 78908032 is 23080987.

It is a super-2 number, since 2×78908032² = 12452955028226048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78907982 and 78908000.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143983 + ... + 144529.

It is an arithmetic number, because the mean of its divisors is an integer number (1991295).

Almost surely, 2^78908032 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 78908032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95582160).

78908032 is an abundant number, since it is smaller than the sum of its proper divisors (112256288).

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

78908032 is a wasteful number, since it uses less digits than its factorization.

78908032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 579 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 78908032 is about 8883.0193065196. The cubic root of 78908032 is about 428.9174717136.

The spelling of 78908032 in words is "seventy-eight million, nine hundred eight thousand, thirty-two".