2108457804 has 12 divisors (see below), whose sum is σ = 4919734904. Its totient is φ = 702819264.

The previous prime is 2108457787. The next prime is 2108457809. The reversal of 2108457804 is 4087548012.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2108457804² = 8891188622497004832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2108457809) 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, 87852397 + ... + 87852420.

Almost surely, 2^2108457804 is an apocalyptic number.

It is an amenable number.

2108457804 is an abundant number, since it is smaller than the sum of its proper divisors (2811277100).

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

2108457804 is a wasteful number, since it uses less digits than its factorization.

2108457804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175704824 (or 175704822 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 39.

The square root of 2108457804 is about 45917.9464262068. The cubic root of 2108457804 is about 1282.2960506180.

The spelling of 2108457804 in words is "two billion, one hundred eight million, four hundred fifty-seven thousand, eight hundred four".