58731987 has 8 divisors (see below), whose sum is σ = 80425936. Its totient is φ = 38096352.

The previous prime is 58731971. The next prime is 58732001. The reversal of 58731987 is 78913785.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 58731987 - 2⁴ = 58731971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58735987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264448 + ... + 264669.

It is an arithmetic number, because the mean of its divisors is an integer number (10053242).

Almost surely, 2^58731987 is an apocalyptic number.

58731987 is a deficient number, since it is larger than the sum of its proper divisors (21693949).

58731987 is a wasteful number, since it uses less digits than its factorization.

58731987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529157.

The product of its digits is 423360, while the sum is 48.

The square root of 58731987 is about 7663.6797297382. The cubic root of 58731987 is about 388.7092701062.

The spelling of 58731987 in words is "fifty-eight million, seven hundred thirty-one thousand, nine hundred eighty-seven".