59878989 has 6 divisors (see below), whose sum is σ = 86491886. Its totient is φ = 39919320.

The previous prime is 59878979. The next prime is 59878993. The reversal of 59878989 is 98987895.

It can be written as a sum of positive squares in only one way, i.e., 56746089 + 3132900 = 7533^2 + 1770^2 .

It is not a de Polignac number, because 59878989 - 2⁵ = 59878957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (59878979) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3326602 + ... + 3326619.

Almost surely, 2^59878989 is an apocalyptic number.

It is an amenable number.

59878989 is a deficient number, since it is larger than the sum of its proper divisors (26612897).

59878989 is a wasteful number, since it uses less digits than its factorization.

59878989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6653227 (or 6653224 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 63.

The square root of 59878989 is about 7738.1515234583. The cubic root of 59878989 is about 391.2233969534.

The spelling of 59878989 in words is "fifty-nine million, eight hundred seventy-eight thousand, nine hundred eighty-nine".