56886040989 has 16 divisors (see below), whose sum is σ = 85657186240. Its totient is φ = 37302320880.

The previous prime is 56886040963. The next prime is 56886040993. The reversal of 56886040989 is 98904068865.

56886040989 is a `hidden beast` number, since 568 + 8 + 60 + 4 + 0 + 9 + 8 + 9 = 666.

It is not a de Polignac number, because 56886040989 - 2¹⁶ = 56885975453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56886040909) 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, 17267947 + ... + 17271240.

It is an arithmetic number, because the mean of its divisors is an integer number (5353574140).

Almost surely, 2^56886040989 is an apocalyptic number.

It is an amenable number.

56886040989 is a deficient number, since it is larger than the sum of its proper divisors (28771145251).

56886040989 is a wasteful number, since it uses less digits than its factorization.

56886040989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34539257 (or 34539251 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 63.

The spelling of 56886040989 in words is "fifty-six billion, eight hundred eighty-six million, forty thousand, nine hundred eighty-nine".