78903152 has 20 divisors (see below), whose sum is σ = 155030256. Its totient is φ = 38895360.

The previous prime is 78903131. The next prime is 78903161. The reversal of 78903152 is 25130987.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33593 + ... + 35864.

Almost surely, 2^78903152 is an apocalyptic number.

It is an amenable number.

78903152 is a deficient number, since it is larger than the sum of its proper divisors (76127104).

78903152 is a wasteful number, since it uses less digits than its factorization.

78903152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69536 (or 69530 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 78903152 is about 8882.7446208928. The cubic root of 78903152 is about 428.9086295194.

The spelling of 78903152 in words is "seventy-eight million, nine hundred three thousand, one hundred fifty-two".