56678456734 has 16 divisors (see below), whose sum is σ = 90132091776. Its totient is φ = 26683840800.

The previous prime is 56678456729. The next prime is 56678456741. The reversal of 56678456734 is 43765487665.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12351337 + ... + 12355924.

It is an arithmetic number, because the mean of its divisors is an integer number (5633255736).

Almost surely, 2^56678456734 is an apocalyptic number.

56678456734 is a deficient number, since it is larger than the sum of its proper divisors (33453635042).

56678456734 is a wasteful number, since it uses less digits than its factorization.

56678456734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24707331.

The product of its digits is 101606400, while the sum is 61.

The spelling of 56678456734 in words is "fifty-six billion, six hundred seventy-eight million, four hundred fifty-six thousand, seven hundred thirty-four".