78908952 has 64 divisors (see below), whose sum is σ = 207348480. Its totient is φ = 24976512.

The previous prime is 78908939. The next prime is 78908983. The reversal of 78908952 is 25980987.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89538 + ... + 90414.

It is an arithmetic number, because the mean of its divisors is an integer number (3239820).

Almost surely, 2^78908952 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 78908952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103674240).

78908952 is an abundant number, since it is smaller than the sum of its proper divisors (128439528).

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

78908952 is a wasteful number, since it uses less digits than its factorization.

78908952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072 (or 1068 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 78908952 is about 8883.0710905632. The cubic root of 78908952 is about 428.9191386438.

The spelling of 78908952 in words is "seventy-eight million, nine hundred eight thousand, nine hundred fifty-two".