476780231 has 4 divisors (see below), whose sum is σ = 478025472. Its totient is φ = 475534992.

The previous prime is 476780207. The next prime is 476780233. The reversal of 476780231 is 132087674.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132087674 = 2 ⋅66043837.

It is a cyclic number.

It is not a de Polignac number, because 476780231 - 2¹⁰ = 476779207 is a prime.

It is a super-2 number, since 2×476780231² = 454638777344826722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (476780233) 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, 622046 + ... + 622811.

It is an arithmetic number, because the mean of its divisors is an integer number (119506368).

Almost surely, 2^476780231 is an apocalyptic number.

476780231 is a deficient number, since it is larger than the sum of its proper divisors (1245241).

476780231 is a wasteful number, since it uses less digits than its factorization.

476780231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245240.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 476780231 is about 21835.2978225624. The cubic root of 476780231 is about 781.2189089195.

The spelling of 476780231 in words is "four hundred seventy-six million, seven hundred eighty thousand, two hundred thirty-one".