477121793 has 2 divisors, whose sum is σ = 477121794. Its totient is φ = 477121792.

The previous prime is 477121763. The next prime is 477121819. The reversal of 477121793 is 397121774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 439028209 + 38093584 = 20953^2 + 6172^2 .

It is a cyclic number.

It is not a de Polignac number, because 477121793 - 2⁸ = 477121537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 477121793.

It is not a weakly prime, because it can be changed into another prime (477121703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238560896 + 238560897.

It is an arithmetic number, because the mean of its divisors is an integer number (238560897).

Almost surely, 2^477121793 is an apocalyptic number.

It is an amenable number.

477121793 is a deficient number, since it is larger than the sum of its proper divisors (1).

477121793 is an equidigital number, since it uses as much as digits as its factorization.

477121793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 74088, while the sum is 41.

The square root of 477121793 is about 21843.1177490760. The cubic root of 477121793 is about 781.4054176304.

The spelling of 477121793 in words is "four hundred seventy-seven million, one hundred twenty-one thousand, seven hundred ninety-three".