47542679757 has 64 divisors (see below), whose sum is σ = 79385184000. Its totient is φ = 27942672384.

The previous prime is 47542679753. The next prime is 47542679801. The reversal of 47542679757 is 75797624574.

47542679757 is a `hidden beast` number, since 4 + 75 + 426 + 7 + 97 + 57 = 666.

47542679757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47542679757 - 2² = 47542679753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47542679694 and 47542679703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47542679753) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 745543 + ... + 806795.

It is an arithmetic number, because the mean of its divisors is an integer number (1240393500).

Almost surely, 2^47542679757 is an apocalyptic number.

It is an amenable number.

47542679757 is a deficient number, since it is larger than the sum of its proper divisors (31842504243).

47542679757 is a wasteful number, since it uses less digits than its factorization.

47542679757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61387 (or 61381 counting only the distinct ones).

The product of its digits is 103723200, while the sum is 63.

The spelling of 47542679757 in words is "forty-seven billion, five hundred forty-two million, six hundred seventy-nine thousand, seven hundred fifty-seven".