47423517757 has 12 divisors (see below), whose sum is σ = 60181236576. Its totient is φ = 36953390040.

The previous prime is 47423517721. The next prime is 47423517767. The reversal of 47423517757 is 75771532474.

47423517757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-47423517757 is a prime.

It is a super-2 number, since 2×47423517757² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47423517767) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43991593 + ... + 43992670.

It is an arithmetic number, because the mean of its divisors is an integer number (5015103048).

Almost surely, 2^47423517757 is an apocalyptic number.

It is an amenable number.

47423517757 is a deficient number, since it is larger than the sum of its proper divisors (12757718819).

47423517757 is a wasteful number, since it uses less digits than its factorization.

47423517757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87984288 (or 87984281 counting only the distinct ones).

The product of its digits is 5762400, while the sum is 52.

The spelling of 47423517757 in words is "forty-seven billion, four hundred twenty-three million, five hundred seventeen thousand, seven hundred fifty-seven".