58978990 has 32 divisors (see below), whose sum is σ = 123047424. Its totient is φ = 19934880.

The previous prime is 58978981. The next prime is 58979003. The reversal of 58978990 is 9987985.

It is a super-2 number, since 2×58978990² = 6957042522840200, which contains 22 as substring.

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, 964 + ... + 10903.

It is an arithmetic number, because the mean of its divisors is an integer number (3845232).

Almost surely, 2^58978990 is an apocalyptic number.

58978990 is an abundant number, since it is smaller than the sum of its proper divisors (64068434).

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

58978990 is a wasteful number, since it uses less digits than its factorization.

58978990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11952.

The product of its (nonzero) digits is 1632960, while the sum is 55.

The square root of 58978990 is about 7679.7779915828. Note that the first 3 decimals coincide. The cubic root of 58978990 is about 389.2534260137.

The spelling of 58978990 in words is "fifty-eight million, nine hundred seventy-eight thousand, nine hundred ninety".