476878871561 has 8 divisors (see below), whose sum is σ = 479756164800. Its totient is φ = 474006387888.

The previous prime is 476878871533. The next prime is 476878871591. The reversal of 476878871561 is 165178878674.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-476878871561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 476878871491 and 476878871500.

It is not an unprimeable number, because it can be changed into a prime (476878871591) 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, 1003391 + ... + 1400196.

It is an arithmetic number, because the mean of its divisors is an integer number (59969520600).

Almost surely, 2^476878871561 is an apocalyptic number.

It is an amenable number.

476878871561 is a deficient number, since it is larger than the sum of its proper divisors (2877293239).

476878871561 is a wasteful number, since it uses less digits than its factorization.

476878871561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404783.

The product of its digits is 126443520, while the sum is 68.

The spelling of 476878871561 in words is "four hundred seventy-six billion, eight hundred seventy-eight million, eight hundred seventy-one thousand, five hundred sixty-one".