56707157347 has 4 divisors (see below), whose sum is σ = 57505849776. Its totient is φ = 55908464920.

The previous prime is 56707157333. The next prime is 56707157369. The reversal of 56707157347 is 74375170765.

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 56707157347 - 2³⁵ = 22347418979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56707157294 and 56707157303.

It is not an unprimeable number, because it can be changed into a prime (56707167347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399346108 + ... + 399346249.

It is an arithmetic number, because the mean of its divisors is an integer number (14376462444).

Almost surely, 2^56707157347 is an apocalyptic number.

56707157347 is a deficient number, since it is larger than the sum of its proper divisors (798692429).

56707157347 is an equidigital number, since it uses as much as digits as its factorization.

56707157347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798692428.

The product of its (nonzero) digits is 4321800, while the sum is 52.

The spelling of 56707157347 in words is "fifty-six billion, seven hundred seven million, one hundred fifty-seven thousand, three hundred forty-seven".