47725077431 has 2 divisors, whose sum is σ = 47725077432. Its totient is φ = 47725077430.

The previous prime is 47725077377. The next prime is 47725077443. The reversal of 47725077431 is 13477052774.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47725077431 is a prime.

It is a super-2 number, since 2×47725077431² (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 (47725077451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23862538715 + 23862538716.

It is an arithmetic number, because the mean of its divisors is an integer number (23862538716).

Almost surely, 2^47725077431 is an apocalyptic number.

47725077431 is a deficient number, since it is larger than the sum of its proper divisors (1).

47725077431 is an equidigital number, since it uses as much as digits as its factorization.

47725077431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152480, while the sum is 47.

The spelling of 47725077431 in words is "forty-seven billion, seven hundred twenty-five million, seventy-seven thousand, four hundred thirty-one".