78296152 has 64 divisors (see below), whose sum is σ = 171072000. Its totient is φ = 33200640.

The previous prime is 78296149. The next prime is 78296191. The reversal of 78296152 is 25169287.

It is a super-2 number, since 2×78296152² = 12260574836014208, which contains 22 as substring.

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, 297573 + ... + 297835.

It is an arithmetic number, because the mean of its divisors is an integer number (2673000).

Almost surely, 2^78296152 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 78296152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85536000).

78296152 is an abundant number, since it is smaller than the sum of its proper divisors (92775848).

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

78296152 is a wasteful number, since it uses less digits than its factorization.

78296152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 492 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 78296152 is about 8848.5112872166. The cubic root of 78296152 is about 427.8059358363.

The spelling of 78296152 in words is "seventy-eight million, two hundred ninety-six thousand, one hundred fifty-two".