78998592 has 56 divisors (see below), whose sum is σ = 221321376. Its totient is φ = 24782848.

The previous prime is 78998573. The next prime is 78998597. The reversal of 78998592 is 29589987.

It is not an unprimeable number, because it can be changed into a prime (78998597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8838 + ... + 15365.

Almost surely, 2^78998592 is an apocalyptic number.

It is an amenable number.

78998592 is an abundant number, since it is smaller than the sum of its proper divisors (142322784).

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

78998592 is a wasteful number, since it uses less digits than its factorization.

78998592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24235 (or 24225 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 57.

The square root of 78998592 is about 8888.1152107744. The cubic root of 78998592 is about 429.0814935300.

The spelling of 78998592 in words is "seventy-eight million, nine hundred ninety-eight thousand, five hundred ninety-two".