47504889997 has 4 divisors (see below), whose sum is σ = 47507115040. Its totient is φ = 47502664956.

The previous prime is 47504889989. The next prime is 47504890007. The reversal of 47504889997 is 79998840574.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79998840574 = 2 ⋅39999420287.

It is a cyclic number.

It is not a de Polignac number, because 47504889997 - 2³ = 47504889989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47504889917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1080183 + ... + 1123300.

It is an arithmetic number, because the mean of its divisors is an integer number (11876778760).

Almost surely, 2^47504889997 is an apocalyptic number.

It is an amenable number.

47504889997 is a deficient number, since it is larger than the sum of its proper divisors (2225043).

47504889997 is a wasteful number, since it uses less digits than its factorization.

47504889997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225042.

The product of its (nonzero) digits is 182891520, while the sum is 70.

The spelling of 47504889997 in words is "forty-seven billion, five hundred four million, eight hundred eighty-nine thousand, nine hundred ninety-seven".