58869864 has 24 divisors (see below), whose sum is σ = 159439410. Its totient is φ = 19623264.

The previous prime is 58869841. The next prime is 58869869. The reversal of 58869864 is 46896885.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 56881764 + 1988100 = 7542^2 + 1410^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 58869864.

It is not an unprimeable number, because it can be changed into a prime (58869869) 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, 408747 + ... + 408890.

Almost surely, 2^58869864 is an apocalyptic number.

It is an amenable number.

58869864 is an abundant number, since it is smaller than the sum of its proper divisors (100569546).

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

58869864 is a wasteful number, since it uses less digits than its factorization.

58869864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817649 (or 817642 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The square root of 58869864 is about 7672.6699394670. The cubic root of 58869864 is about 389.0132054738.

The spelling of 58869864 in words is "fifty-eight million, eight hundred sixty-nine thousand, eight hundred sixty-four".