216878759600 has 60 divisors (see below), whose sum is σ = 521275483704. Its totient is φ = 86714165760.

The previous prime is 216878759579. The next prime is 216878759623. The reversal of 216878759600 is 6957878612.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 216878759600.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 823292 + ... + 1054308.

Almost surely, 2^216878759600 is an apocalyptic number.

216878759600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216878759600 is an abundant number, since it is smaller than the sum of its proper divisors (304396724104).

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

216878759600 is a wasteful number, since it uses less digits than its factorization.

216878759600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233382 (or 233371 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 59.

The spelling of 216878759600 in words is "two hundred sixteen billion, eight hundred seventy-eight million, seven hundred fifty-nine thousand, six hundred".