58487661 has 6 divisors (see below), whose sum is σ = 84482190. Its totient is φ = 38991768.

The previous prime is 58487657. The next prime is 58487677. The reversal of 58487661 is 16678485.

It is a happy number.

58487661 is a `hidden beast` number, since 584 + 8 + 7 + 6 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 51753636 + 6734025 = 7194^2 + 2595^2 .

It is not a de Polignac number, because 58487661 - 2² = 58487657 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58487641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3249306 + ... + 3249323.

It is an arithmetic number, because the mean of its divisors is an integer number (14080365).

Almost surely, 2^58487661 is an apocalyptic number.

It is an amenable number.

58487661 is a deficient number, since it is larger than the sum of its proper divisors (25994529).

58487661 is a wasteful number, since it uses less digits than its factorization.

58487661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6498635 (or 6498632 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 58487661 is about 7647.7226021869. The cubic root of 58487661 is about 388.1695086922.

The spelling of 58487661 in words is "fifty-eight million, four hundred eighty-seven thousand, six hundred sixty-one".