56876999 has 8 divisors (see below), whose sum is σ = 59508960. Its totient is φ = 54258336.

The previous prime is 56876987. The next prime is 56877031. The reversal of 56876999 is 99967865.

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

It is a cyclic number.

It is not a de Polignac number, because 56876999 - 2⁴ = 56876983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56876299) 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, 6017 + ... + 12245.

It is an arithmetic number, because the mean of its divisors is an integer number (7438620).

Almost surely, 2^56876999 is an apocalyptic number.

56876999 is a deficient number, since it is larger than the sum of its proper divisors (2631961).

56876999 is a wasteful number, since it uses less digits than its factorization.

56876999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6649.

The product of its digits is 7348320, while the sum is 59.

The square root of 56876999 is about 7541.6840957441. The cubic root of 56876999 is about 384.5730895060.

It can be divided in two parts, 56876 and 999, that added together give a palindrome (57875).

The spelling of 56876999 in words is "fifty-six million, eight hundred seventy-six thousand, nine hundred ninety-nine".