215076690882 has 128 divisors (see below), whose sum is σ = 496458547200. Its totient is φ = 68975712000.

The previous prime is 215076690841. The next prime is 215076690883. The reversal of 215076690882 is 288096670512.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (215076690883) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48318757 + ... + 48323207.

It is an arithmetic number, because the mean of its divisors is an integer number (3878582400).

Almost surely, 2^215076690882 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 215076690882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248229273600).

215076690882 is an abundant number, since it is smaller than the sum of its proper divisors (281381856318).

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

215076690882 is a wasteful number, since it uses less digits than its factorization.

215076690882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4829 (or 4823 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 215076690882 in words is "two hundred fifteen billion, seventy-six million, six hundred ninety thousand, eight hundred eighty-two".