476936861 has 2 divisors, whose sum is σ = 476936862. Its totient is φ = 476936860.

The previous prime is 476936839. The next prime is 476936869. The reversal of 476936861 is 168639674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 407797636 + 69139225 = 20194^2 + 8315^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-476936861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (476936869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238468430 + 238468431.

It is an arithmetic number, because the mean of its divisors is an integer number (238468431).

Almost surely, 2^476936861 is an apocalyptic number.

It is an amenable number.

476936861 is a deficient number, since it is larger than the sum of its proper divisors (1).

476936861 is an equidigital number, since it uses as much as digits as its factorization.

476936861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 50.

The square root of 476936861 is about 21838.8841518975. The cubic root of 476936861 is about 781.3044472262.

The spelling of 476936861 in words is "four hundred seventy-six million, nine hundred thirty-six thousand, eight hundred sixty-one".