5215803858 has 12 divisors (see below), whose sum is σ = 11300908398. Its totient is φ = 1738601280.

The previous prime is 5215803811. The next prime is 5215803877. The reversal of 5215803858 is 8583085125.

It can be written as a sum of positive squares in only one way, i.e., 4711037769 + 504766089 = 68637^2 + 22467^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144883423 + ... + 144883458.

Almost surely, 2^5215803858 is an apocalyptic number.

5215803858 is an abundant number, since it is smaller than the sum of its proper divisors (6085104540).

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

5215803858 is a wasteful number, since it uses less digits than its factorization.

5215803858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289766889 (or 289766886 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 45.

The square root of 5215803858 is about 72220.5224157234. The cubic root of 5215803858 is about 1734.2315535494.

The spelling of 5215803858 in words is "five billion, two hundred fifteen million, eight hundred three thousand, eight hundred fifty-eight".