214897812872 has 108 divisors (see below), whose sum is σ = 443709106245. Its totient is φ = 97551494400.

The previous prime is 214897812859. The next prime is 214897812929. The reversal of 214897812872 is 278218798412.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 196679832196 + 18217980676 = 443486^2 + 134974^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=327794.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 690989597 + ... + 690989907.

Almost surely, 2^214897812872 is an apocalyptic number.

It is an amenable number.

214897812872 is an abundant number, since it is smaller than the sum of its proper divisors (228811293373).

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

214897812872 is an equidigital number, since it uses as much as digits as its factorization.

214897812872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724 (or 361 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 59.

The spelling of 214897812872 in words is "two hundred fourteen billion, eight hundred ninety-seven million, eight hundred twelve thousand, eight hundred seventy-two".