213250878 has 12 divisors (see below), whose sum is σ = 462043608. Its totient is φ = 71083620.

The previous prime is 213250861. The next prime is 213250909. The reversal of 213250878 is 878052312.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 5923618 + ... + 5923653.

It is an arithmetic number, because the mean of its divisors is an integer number (38503634).

Almost surely, 2^213250878 is an apocalyptic number.

213250878 is an abundant number, since it is smaller than the sum of its proper divisors (248792730).

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

213250878 is a wasteful number, since it uses less digits than its factorization.

213250878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11847279 (or 11847276 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 213250878 is about 14603.1119286267. Note that the first 3 decimals coincide. The cubic root of 213250878 is about 597.4436405119.

The spelling of 213250878 in words is "two hundred thirteen million, two hundred fifty thousand, eight hundred seventy-eight".