56877235406 has 4 divisors (see below), whose sum is σ = 85315853112. Its totient is φ = 28438617702.

The previous prime is 56877235379. The next prime is 56877235409. The reversal of 56877235406 is 60453277865.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56877235409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14219308850 + ... + 14219308853.

It is an arithmetic number, because the mean of its divisors is an integer number (21328963278).

Almost surely, 2^56877235406 is an apocalyptic number.

56877235406 is a deficient number, since it is larger than the sum of its proper divisors (28438617706).

56877235406 is a wasteful number, since it uses less digits than its factorization.

56877235406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28438617705.

The product of its (nonzero) digits is 8467200, while the sum is 53.

The spelling of 56877235406 in words is "fifty-six billion, eight hundred seventy-seven million, two hundred thirty-five thousand, four hundred six".