47915242875 has 64 divisors (see below), whose sum is σ = 88702248960. Its totient is φ = 25522408800.

The previous prime is 47915242841. The next prime is 47915242877. The reversal of 47915242875 is 57824251974.

47915242875 is a `hidden beast` number, since 4 + 7 + 91 + 524 + 28 + 7 + 5 = 666.

It is not a de Polignac number, because 47915242875 - 2⁸ = 47915242619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47915242877) 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, 2782542 + ... + 2799708.

It is an arithmetic number, because the mean of its divisors is an integer number (1385972640).

Almost surely, 2^47915242875 is an apocalyptic number.

47915242875 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

47915242875 is a deficient number, since it is larger than the sum of its proper divisors (40787006085).

47915242875 is a wasteful number, since it uses less digits than its factorization.

47915242875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18018 (or 18002 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 54.

Subtracting 47915242875 from its reverse (57824251974), we obtain a palindrome (9909009099).

The spelling of 47915242875 in words is "forty-seven billion, nine hundred fifteen million, two hundred forty-two thousand, eight hundred seventy-five".