56787670 has 8 divisors (see below), whose sum is σ = 102217824. Its totient is φ = 22715064.

The previous prime is 56787623. The next prime is 56787671. The reversal of 56787670 is 7678765.

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

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 56787670.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56787671) 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, 2839374 + ... + 2839393.

It is an arithmetic number, because the mean of its divisors is an integer number (12777228).

Almost surely, 2^56787670 is an apocalyptic number.

56787670 is a deficient number, since it is larger than the sum of its proper divisors (45430154).

56787670 is a wasteful number, since it uses less digits than its factorization.

56787670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5678774.

The product of its (nonzero) digits is 493920, while the sum is 46.

The square root of 56787670 is about 7535.7594176035. The cubic root of 56787670 is about 384.3716517213.

The spelling of 56787670 in words is "fifty-six million, seven hundred eighty-seven thousand, six hundred seventy".