56207712678 has 32 divisors (see below), whose sum is σ = 121138651872. Its totient is φ = 17283840000.

The previous prime is 56207712677. The next prime is 56207712689. The reversal of 56207712678 is 87621770265.

56207712678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56207712678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56207712677) 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, 100173 + ... + 349928.

It is an arithmetic number, because the mean of its divisors is an integer number (3785582871).

Almost surely, 2^56207712678 is an apocalyptic number.

56207712678 is an abundant number, since it is smaller than the sum of its proper divisors (64930939194).

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

56207712678 is a wasteful number, since it uses less digits than its factorization.

56207712678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451720.

The product of its (nonzero) digits is 1975680, while the sum is 51.

The spelling of 56207712678 in words is "fifty-six billion, two hundred seven million, seven hundred twelve thousand, six hundred seventy-eight".