78590934 has 12 divisors (see below), whose sum is σ = 170280396. Its totient is φ = 26196972.

The previous prime is 78590929. The next prime is 78590947. The reversal of 78590934 is 43909587.

It is a self number, because there is not a number n which added to its sum of digits gives 78590934.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2183064 + ... + 2183099.

It is an arithmetic number, because the mean of its divisors is an integer number (14190033).

Almost surely, 2^78590934 is an apocalyptic number.

78590934 is an abundant number, since it is smaller than the sum of its proper divisors (91689462).

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

78590934 is a wasteful number, since it uses less digits than its factorization.

78590934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4366171 (or 4366168 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 78590934 is about 8865.1527905615. The cubic root of 78590934 is about 428.3421544140.

It can be divided in two parts, 78590 and 934, that added together give a square (79524 = 282²).

The spelling of 78590934 in words is "seventy-eight million, five hundred ninety thousand, nine hundred thirty-four".