475879691761 has 4 divisors (see below), whose sum is σ = 475881173872. Its totient is φ = 475878209652.

The previous prime is 475879691737. The next prime is 475879691827. The reversal of 475879691761 is 167196978574.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 475879691761 - 2⁷ = 475879691633 is a prime.

It is a super-2 number, since 2×475879691761² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (475879691711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35535 + ... + 976228.

It is an arithmetic number, because the mean of its divisors is an integer number (118970293468).

Almost surely, 2^475879691761 is an apocalyptic number.

It is an amenable number.

475879691761 is a deficient number, since it is larger than the sum of its proper divisors (1482111).

475879691761 is a wasteful number, since it uses less digits than its factorization.

475879691761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482110.

The product of its digits is 160030080, while the sum is 70.

The spelling of 475879691761 in words is "four hundred seventy-five billion, eight hundred seventy-nine million, six hundred ninety-one thousand, seven hundred sixty-one".