78880524 has 48 divisors (see below), whose sum is σ = 193240320. Its totient is φ = 24995520.

The previous prime is 78880511. The next prime is 78880531. The reversal of 78880524 is 42508887.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 49167 + ... + 50745.

It is an arithmetic number, because the mean of its divisors is an integer number (4025840).

Almost surely, 2^78880524 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 78880524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96620160).

78880524 is an abundant number, since it is smaller than the sum of its proper divisors (114359796).

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

78880524 is a wasteful number, since it uses less digits than its factorization.

78880524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790 (or 1788 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 42.

The square root of 78880524 is about 8881.4708241372. The cubic root of 78880524 is about 428.8676245146.

The spelling of 78880524 in words is "seventy-eight million, eight hundred eighty thousand, five hundred twenty-four".