56877235405 has 8 divisors (see below), whose sum is σ = 69540469272. Its totient is φ = 44643263808.

The previous prime is 56877235379. The next prime is 56877235409. The reversal of 56877235405 is 50453277865.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8864975716 + 48012259689 = 94154^2 + 219117^2 .

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 56877235405 - 2⁹ = 56877234893 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 (56877235409) 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, 107315274 + ... + 107315803.

It is an arithmetic number, because the mean of its divisors is an integer number (8692558659).

Almost surely, 2^56877235405 is an apocalyptic number.

It is an amenable number.

56877235405 is a deficient number, since it is larger than the sum of its proper divisors (12663233867).

56877235405 is a wasteful number, since it uses less digits than its factorization.

56877235405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214631135.

The product of its (nonzero) digits is 7056000, while the sum is 52.

The spelling of 56877235405 in words is "fifty-six billion, eight hundred seventy-seven million, two hundred thirty-five thousand, four hundred five".