58147987 has 4 divisors (see below), whose sum is σ = 60153120. Its totient is φ = 56142856.

The previous prime is 58147951. The next prime is 58147993. The reversal of 58147987 is 78974185.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 58147987 - 2²³ = 49759379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 58147987.

It is not an unprimeable number, because it can be changed into a prime (58147907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1002523 + ... + 1002580.

It is an arithmetic number, because the mean of its divisors is an integer number (15038280).

Almost surely, 2^58147987 is an apocalyptic number.

58147987 is a deficient number, since it is larger than the sum of its proper divisors (2005133).

58147987 is a wasteful number, since it uses less digits than its factorization.

58147987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005132.

The product of its digits is 564480, while the sum is 49.

The square root of 58147987 is about 7625.4827388173. The cubic root of 58147987 is about 387.4166025173.

The spelling of 58147987 in words is "fifty-eight million, one hundred forty-seven thousand, nine hundred eighty-seven".