47855396715 has 32 divisors (see below), whose sum is σ = 87995911680. Its totient is φ = 21754527744.

The previous prime is 47855396713. The next prime is 47855396723. The reversal of 47855396715 is 51769355874.

It is not a de Polignac number, because 47855396715 - 2¹ = 47855396713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47855396713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1254294 + ... + 1291883.

It is an arithmetic number, because the mean of its divisors is an integer number (2749872240).

Almost surely, 2^47855396715 is an apocalyptic number.

47855396715 is a deficient number, since it is larger than the sum of its proper divisors (40140514965).

47855396715 is a wasteful number, since it uses less digits than its factorization.

47855396715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2546371.

The product of its digits is 31752000, while the sum is 60.

The spelling of 47855396715 in words is "forty-seven billion, eight hundred fifty-five million, three hundred ninety-six thousand, seven hundred fifteen".