47990187231 has 8 divisors (see below), whose sum is σ = 73127904384. Its totient is φ = 27422964120.

The previous prime is 47990187221. The next prime is 47990187233. The reversal of 47990187231 is 13278109974.

47990187231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 47990187231 - 2¹¹ = 47990185183 is a prime.

It is a super-2 number, since 2×47990187231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47990187233) 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, 1142623485 + ... + 1142623526.

It is an arithmetic number, because the mean of its divisors is an integer number (9140988048).

Almost surely, 2^47990187231 is an apocalyptic number.

47990187231 is a deficient number, since it is larger than the sum of its proper divisors (25137717153).

47990187231 is a wasteful number, since it uses less digits than its factorization.

47990187231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2285247021.

The product of its (nonzero) digits is 762048, while the sum is 51.

The spelling of 47990187231 in words is "forty-seven billion, nine hundred ninety million, one hundred eighty-seven thousand, two hundred thirty-one".