47775325831 has 2 divisors, whose sum is σ = 47775325832. Its totient is φ = 47775325830.

The previous prime is 47775325723. The next prime is 47775325837. The reversal of 47775325831 is 13852357774.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47775325831 - 2²³ = 47766937223 is a prime.

It is a super-2 number, since 2×47775325831² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47775325837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23887662915 + 23887662916.

It is an arithmetic number, because the mean of its divisors is an integer number (23887662916).

Almost surely, 2^47775325831 is an apocalyptic number.

47775325831 is a deficient number, since it is larger than the sum of its proper divisors (1).

47775325831 is an equidigital number, since it uses as much as digits as its factorization.

47775325831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4939200, while the sum is 52.

The spelling of 47775325831 in words is "forty-seven billion, seven hundred seventy-five million, three hundred twenty-five thousand, eight hundred thirty-one".