475257661751 has 8 divisors (see below), whose sum is σ = 485063147520. Its totient is φ = 465546915288.

The previous prime is 475257661687. The next prime is 475257661759. The reversal of 475257661751 is 157166752574.

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 475257661751 - 2⁶ = 475257661687 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 (475257661759) 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, 23674691 + ... + 23694756.

It is an arithmetic number, because the mean of its divisors is an integer number (60632893440).

Almost surely, 2^475257661751 is an apocalyptic number.

475257661751 is a deficient number, since it is larger than the sum of its proper divisors (9805485769).

475257661751 is a wasteful number, since it uses less digits than its factorization.

475257661751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47369653.

The product of its digits is 12348000, while the sum is 56.

The spelling of 475257661751 in words is "four hundred seventy-five billion, two hundred fifty-seven million, six hundred sixty-one thousand, seven hundred fifty-one".