477847237081 has 2 divisors, whose sum is σ = 477847237082. Its totient is φ = 477847237080.

The previous prime is 477847237033. The next prime is 477847237129. The reversal of 477847237081 is 180732748774.

It is a balanced prime because it is at equal distance from previous prime (477847237033) and next prime (477847237129).

It can be written as a sum of positive squares in only one way, i.e., 465424128400 + 12423108681 = 682220^2 + 111459^2 .

It is a cyclic number.

It is not a de Polignac number, because 477847237081 - 2³¹ = 475699753433 is a prime.

It is a super-2 number, since 2×477847237081² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (477847237181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238923618540 + 238923618541.

It is an arithmetic number, because the mean of its divisors is an integer number (238923618541).

Almost surely, 2^477847237081 is an apocalyptic number.

It is an amenable number.

477847237081 is a deficient number, since it is larger than the sum of its proper divisors (1).

477847237081 is an equidigital number, since it uses as much as digits as its factorization.

477847237081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14751744, while the sum is 58.

The spelling of 477847237081 in words is "four hundred seventy-seven billion, eight hundred forty-seven million, two hundred thirty-seven thousand, eighty-one".