78475264 has 156 divisors (see below), whose sum is σ = 201695184. Its totient is φ = 30277632.

The previous prime is 78475237. The next prime is 78475273. The reversal of 78475264 is 46257487.

Its product of digits (376320) is a multiple of the sum of its prime divisors (49).

It is a self number, because there is not a number n which added to its sum of digits gives 78475264.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3411957 + ... + 3411979.

Almost surely, 2^78475264 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 78475264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100847592).

78475264 is an abundant number, since it is smaller than the sum of its proper divisors (123219920).

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

78475264 is a wasteful number, since it uses less digits than its factorization.

78475264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78 (or 49 counting only the distinct ones).

The product of its digits is 376320, while the sum is 43.

The square root of 78475264 is about 8858.6265301118. The cubic root of 78475264 is about 428.1319068202.

The spelling of 78475264 in words is "seventy-eight million, four hundred seventy-five thousand, two hundred sixty-four".