215080788 has 48 divisors (see below), whose sum is σ = 541731456. Its totient is φ = 66023040.

The previous prime is 215080781. The next prime is 215080819. The reversal of 215080788 is 887080512.

215080788 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215080781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77098 + ... + 79838.

It is an arithmetic number, because the mean of its divisors is an integer number (11286072).

Almost surely, 2^215080788 is an apocalyptic number.

It is an amenable number.

215080788 is an abundant number, since it is smaller than the sum of its proper divisors (326650668).

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

215080788 is a wasteful number, since it uses less digits than its factorization.

215080788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3264 (or 3262 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 39.

The square root of 215080788 is about 14665.6328878095. The cubic root of 215080788 is about 599.1476675668.

The spelling of 215080788 in words is "two hundred fifteen million, eighty thousand, seven hundred eighty-eight".