56896069866 has 48 divisors (see below), whose sum is σ = 119439847296. Its totient is φ = 18060044544.

The previous prime is 56896069831. The next prime is 56896069873. The reversal of 56896069866 is 66896069865.

56896069866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 56896069866.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 312370 + ... + 459746.

It is an arithmetic number, because the mean of its divisors is an integer number (2488330152).

Almost surely, 2^56896069866 is an apocalyptic number.

56896069866 is an abundant number, since it is smaller than the sum of its proper divisors (62543777430).

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

56896069866 is a wasteful number, since it uses less digits than its factorization.

56896069866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147503 (or 147466 counting only the distinct ones).

The product of its (nonzero) digits is 201553920, while the sum is 69.

Subtracting 56896069866 from its reverse (66896069865), we obtain a palindrome (9999999999).

The spelling of 56896069866 in words is "fifty-six billion, eight hundred ninety-six million, sixty-nine thousand, eight hundred sixty-six".