47897764147 has 8 divisors (see below), whose sum is σ = 49233373344. Its totient is φ = 46578150528.

The previous prime is 47897764133. The next prime is 47897764157. The reversal of 47897764147 is 74146779874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47897764147 - 2²⁷ = 47763546419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47897764157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3992823 + ... + 4004800.

It is an arithmetic number, because the mean of its divisors is an integer number (6154171668).

Almost surely, 2^47897764147 is an apocalyptic number.

47897764147 is a deficient number, since it is larger than the sum of its proper divisors (1335609197).

47897764147 is a wasteful number, since it uses less digits than its factorization.

47897764147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7997789.

The product of its digits is 66382848, while the sum is 64.

The spelling of 47897764147 in words is "forty-seven billion, eight hundred ninety-seven million, seven hundred sixty-four thousand, one hundred forty-seven".