78802624 has 56 divisors (see below), whose sum is σ = 161044128. Its totient is φ = 38246400.

The previous prime is 78802613. The next prime is 78802627. The reversal of 78802624 is 42620887.

It is not an unprimeable number, because it can be changed into a prime (78802627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471789 + ... + 471955.

It is an arithmetic number, because the mean of its divisors is an integer number (2875788).

Almost surely, 2^78802624 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 78802624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80522064).

78802624 is an abundant number, since it is smaller than the sum of its proper divisors (82241504).

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

78802624 is a wasteful number, since it uses less digits than its factorization.

78802624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 78802624 is about 8877.0842059766. The cubic root of 78802624 is about 428.7263991520.

The spelling of 78802624 in words is "seventy-eight million, eight hundred two thousand, six hundred twenty-four".