5656740477 has 8 divisors (see below), whose sum is σ = 7939284960. Its totient is φ = 3572678160.

The previous prime is 5656740473. The next prime is 5656740487. The reversal of 5656740477 is 7740476565.

It is a happy number.

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

It is not a de Polignac number, because 5656740477 - 2² = 5656740473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5656740473) 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, 49620474 + ... + 49620587.

It is an arithmetic number, because the mean of its divisors is an integer number (992410620).

Almost surely, 2^5656740477 is an apocalyptic number.

5656740477 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

5656740477 is a deficient number, since it is larger than the sum of its proper divisors (2282544483).

5656740477 is a wasteful number, since it uses less digits than its factorization.

5656740477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99241083.

The product of its (nonzero) digits is 4939200, while the sum is 51.

The square root of 5656740477 is about 75211.3055132006. The cubic root of 5656740477 is about 1781.7854908374.

The spelling of 5656740477 in words is "five billion, six hundred fifty-six million, seven hundred forty thousand, four hundred seventy-seven".