47572257397 has 16 divisors (see below), whose sum is σ = 54497139840. Its totient is φ = 40679698752.

The previous prime is 47572257259. The next prime is 47572257409. The reversal of 47572257397 is 79375227574.

It is not a de Polignac number, because 47572257397 - 2¹⁵ = 47572224629 is a prime.

It is a super-3 number, since 3×47572257397³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47572257097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6528318 + ... + 6535600.

It is an arithmetic number, because the mean of its divisors is an integer number (3406071240).

Almost surely, 2^47572257397 is an apocalyptic number.

It is an amenable number.

47572257397 is a deficient number, since it is larger than the sum of its proper divisors (6924882443).

47572257397 is a wasteful number, since it uses less digits than its factorization.

47572257397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9372.

The product of its digits is 25930800, while the sum is 58.

The spelling of 47572257397 in words is "forty-seven billion, five hundred seventy-two million, two hundred fifty-seven thousand, three hundred ninety-seven".