56878668473 has 8 divisors (see below), whose sum is σ = 62123423040. Its totient is φ = 51646241680.

The previous prime is 56878668463. The next prime is 56878668521. The reversal of 56878668473 is 37486687865.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56878668473 - 2³⁰ = 55804926649 is a prime.

It is a super-2 number, since 2×56878668473² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56878668463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3072290 + ... + 3090747.

It is an arithmetic number, because the mean of its divisors is an integer number (7765427880).

Almost surely, 2^56878668473 is an apocalyptic number.

It is an amenable number.

56878668473 is a deficient number, since it is larger than the sum of its proper divisors (5244754567).

56878668473 is a wasteful number, since it uses less digits than its factorization.

56878668473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6163887.

The product of its digits is 325140480, while the sum is 68.

The spelling of 56878668473 in words is "fifty-six billion, eight hundred seventy-eight million, six hundred sixty-eight thousand, four hundred seventy-three".