56846512887 has 4 divisors (see below), whose sum is σ = 75795350520. Its totient is φ = 37897675256.

The previous prime is 56846512871. The next prime is 56846512897. The reversal of 56846512887 is 78821564865.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56846512887 - 2⁴ = 56846512871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56846512887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56846512897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9474418812 + ... + 9474418817.

It is an arithmetic number, because the mean of its divisors is an integer number (18948837630).

Almost surely, 2^56846512887 is an apocalyptic number.

56846512887 is a deficient number, since it is larger than the sum of its proper divisors (18948837633).

56846512887 is a wasteful number, since it uses less digits than its factorization.

56846512887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18948837632.

The product of its digits is 25804800, while the sum is 60.

The spelling of 56846512887 in words is "fifty-six billion, eight hundred forty-six million, five hundred twelve thousand, eight hundred eighty-seven".