56778333895 has 4 divisors (see below), whose sum is σ = 68134000680. Its totient is φ = 45422667112.

The previous prime is 56778333877. The next prime is 56778333917. The reversal of 56778333895 is 59833387765.

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 56778333895 - 2⁷ = 56778333767 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5677833385 + ... + 5677833394.

It is an arithmetic number, because the mean of its divisors is an integer number (17033500170).

Almost surely, 2^56778333895 is an apocalyptic number.

56778333895 is a deficient number, since it is larger than the sum of its proper divisors (11355666785).

56778333895 is a wasteful number, since it uses less digits than its factorization.

56778333895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11355666784.

The product of its digits is 114307200, while the sum is 64.

The spelling of 56778333895 in words is "fifty-six billion, seven hundred seventy-eight million, three hundred thirty-three thousand, eight hundred ninety-five".