78475038 has 32 divisors (see below), whose sum is σ = 159667200. Its totient is φ = 25709376.

The previous prime is 78475027. The next prime is 78475063. The reversal of 78475038 is 83057487.

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, 118753 + ... + 119411.

It is an arithmetic number, because the mean of its divisors is an integer number (4989600).

Almost surely, 2^78475038 is an apocalyptic number.

78475038 is an abundant number, since it is smaller than the sum of its proper divisors (81192162).

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

78475038 is a wasteful number, since it uses less digits than its factorization.

78475038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 78475038 is about 8858.6137741748. The cubic root of 78475038 is about 428.1314958291.

The spelling of 78475038 in words is "seventy-eight million, four hundred seventy-five thousand, thirty-eight".