47472172597 has 12 divisors (see below), whose sum is σ = 50578661380. Its totient is φ = 44547019776.

The previous prime is 47472172549. The next prime is 47472172603. The reversal of 47472172597 is 79527127474.

It can be written as a sum of positive squares in 6 ways, for example, as 12841195761 + 34630976836 = 113319^2 + 186094^2 .

It is not a de Polignac number, because 47472172597 - 2¹⁹ = 47471648309 is a prime.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47472170597) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146322 + ... + 341107.

Almost surely, 2^47472172597 is an apocalyptic number.

It is an amenable number.

47472172597 is a deficient number, since it is larger than the sum of its proper divisors (3106488783).

47472172597 is a wasteful number, since it uses less digits than its factorization.

47472172597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487800 (or 487783 counting only the distinct ones).

The product of its digits is 6914880, while the sum is 55.

The spelling of 47472172597 in words is "forty-seven billion, four hundred seventy-two million, one hundred seventy-two thousand, five hundred ninety-seven".