5215657885 has 16 divisors (see below), whose sum is σ = 6631372800. Its totient is φ = 3924464896.

The previous prime is 5215657873. The next prime is 5215657903. The reversal of 5215657885 is 5887565125.

It is a cyclic number.

It is not a de Polignac number, because 5215657885 - 2¹³ = 5215649693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112836 + ... + 152194.

It is an arithmetic number, because the mean of its divisors is an integer number (414460800).

Almost surely, 2^5215657885 is an apocalyptic number.

It is an amenable number.

5215657885 is a deficient number, since it is larger than the sum of its proper divisors (1415714915).

5215657885 is a wasteful number, since it uses less digits than its factorization.

5215657885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40940.

The product of its digits is 3360000, while the sum is 52.

The square root of 5215657885 is about 72219.5118025593. The cubic root of 5215657885 is about 1734.2153749410.

The spelling of 5215657885 in words is "five billion, two hundred fifteen million, six hundred fifty-seven thousand, eight hundred eighty-five".