215255848 has 8 divisors (see below), whose sum is σ = 403604730. Its totient is φ = 107627920.

The previous prime is 215255837. The next prime is 215255857. The reversal of 215255848 is 848552512.

It can be written as a sum of positive squares in only one way, i.e., 137780644 + 77475204 = 11738^2 + 8802^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 215255848.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13453483 + ... + 13453498.

Almost surely, 2^215255848 is an apocalyptic number.

It is an amenable number.

215255848 is a deficient number, since it is larger than the sum of its proper divisors (188348882).

215255848 is a wasteful number, since it uses less digits than its factorization.

215255848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26906987 (or 26906983 counting only the distinct ones).

The product of its digits is 128000, while the sum is 40.

The square root of 215255848 is about 14671.6000490744. The cubic root of 215255848 is about 599.3101775827.

The spelling of 215255848 in words is "two hundred fifteen million, two hundred fifty-five thousand, eight hundred forty-eight".