78976593 has 16 divisors (see below), whose sum is σ = 118100160. Its totient is φ = 52157088.

The previous prime is 78976571. The next prime is 78976607. The reversal of 78976593 is 39567987.

It is not a de Polignac number, because 78976593 - 2⁶ = 78976529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78976393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10780 + ... + 16557.

It is an arithmetic number, because the mean of its divisors is an integer number (7381260).

Almost surely, 2^78976593 is an apocalyptic number.

It is an amenable number.

78976593 is a deficient number, since it is larger than the sum of its proper divisors (39123567).

78976593 is a wasteful number, since it uses less digits than its factorization.

78976593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27453 (or 27447 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 54.

The square root of 78976593 is about 8886.8775731412. The cubic root of 78976593 is about 429.0416605832.

The spelling of 78976593 in words is "seventy-eight million, nine hundred seventy-six thousand, five hundred ninety-three".