476072861 has 4 divisors (see below), whose sum is σ = 519352224. Its totient is φ = 432793500.

The previous prime is 476072851. The next prime is 476072867. The reversal of 476072861 is 168270674.

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 476072861 - 2¹⁸ = 475810717 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 (476072867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21639665 + ... + 21639686.

It is an arithmetic number, because the mean of its divisors is an integer number (129838056).

Almost surely, 2^476072861 is an apocalyptic number.

It is an amenable number.

476072861 is a deficient number, since it is larger than the sum of its proper divisors (43279363).

476072861 is a wasteful number, since it uses less digits than its factorization.

476072861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43279362.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 476072861 is about 21819.0939546077. The cubic root of 476072861 is about 780.8323686081.

The spelling of 476072861 in words is "four hundred seventy-six million, seventy-two thousand, eight hundred sixty-one".