477651157 has 2 divisors, whose sum is σ = 477651158. Its totient is φ = 477651156.

The previous prime is 477651149. The next prime is 477651221. The reversal of 477651157 is 751156774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 393268561 + 84382596 = 19831^2 + 9186^2 .

It is a cyclic number.

It is not a de Polignac number, because 477651157 - 2³ = 477651149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (477651457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238825578 + 238825579.

It is an arithmetic number, because the mean of its divisors is an integer number (238825579).

Almost surely, 2^477651157 is an apocalyptic number.

It is an amenable number.

477651157 is a deficient number, since it is larger than the sum of its proper divisors (1).

477651157 is an equidigital number, since it uses as much as digits as its factorization.

477651157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 205800, while the sum is 43.

The square root of 477651157 is about 21855.2317992741. The cubic root of 477651157 is about 781.6942991541.

The spelling of 477651157 in words is "four hundred seventy-seven million, six hundred fifty-one thousand, one hundred fifty-seven".