477847763231 has 2 divisors, whose sum is σ = 477847763232. Its totient is φ = 477847763230.

The previous prime is 477847763221. The next prime is 477847763243. The reversal of 477847763231 is 132367748774.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-477847763231 is a prime.

It is a super-3 number, since 3×477847763231³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (477847763221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238923881615 + 238923881616.

It is an arithmetic number, because the mean of its divisors is an integer number (238923881616).

Almost surely, 2^477847763231 is an apocalyptic number.

477847763231 is a deficient number, since it is larger than the sum of its proper divisors (1).

477847763231 is an equidigital number, since it uses as much as digits as its factorization.

477847763231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33191424, while the sum is 59.

The spelling of 477847763231 in words is "four hundred seventy-seven billion, eight hundred forty-seven million, seven hundred sixty-three thousand, two hundred thirty-one".