56840612247 has 16 divisors (see below), whose sum is σ = 86924712960. Its totient is φ = 36671362200.

The previous prime is 56840612243. The next prime is 56840612261. The reversal of 56840612247 is 74221604865.

56840612247 is a `hidden beast` number, since 5 + 6 + 8 + 4 + 0 + 612 + 24 + 7 = 666.

It is not a de Polignac number, because 56840612247 - 2² = 56840612243 is a prime.

It is a super-2 number, since 2×56840612247² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56840612243) 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, 33954129 + ... + 33955802.

It is an arithmetic number, because the mean of its divisors is an integer number (5432794560).

Almost surely, 2^56840612247 is an apocalyptic number.

56840612247 is a deficient number, since it is larger than the sum of its proper divisors (30084100713).

56840612247 is a wasteful number, since it uses less digits than its factorization.

56840612247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67909971 (or 67909965 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 56840612247 in words is "fifty-six billion, eight hundred forty million, six hundred twelve thousand, two hundred forty-seven".