477226861 has 8 divisors (see below), whose sum is σ = 487687680. Its totient is φ = 466778928.

The previous prime is 477226859. The next prime is 477226889. The reversal of 477226861 is 168622774.

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 477226861 - 2¹ = 477226859 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 (477226801) 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, 135835 + ... + 139303.

It is an arithmetic number, because the mean of its divisors is an integer number (60960960).

Almost surely, 2^477226861 is an apocalyptic number.

It is an amenable number.

477226861 is a deficient number, since it is larger than the sum of its proper divisors (10460819).

477226861 is a wasteful number, since it uses less digits than its factorization.

477226861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6443.

The product of its digits is 225792, while the sum is 43.

The square root of 477226861 is about 21845.5226762831. The cubic root of 477226861 is about 781.4627717343.

The spelling of 477226861 in words is "four hundred seventy-seven million, two hundred twenty-six thousand, eight hundred sixty-one".