47725775331 has 16 divisors (see below), whose sum is σ = 69822327456. Its totient is φ = 28815561216.

The previous prime is 47725775327. The next prime is 47725775359. The reversal of 47725775331 is 13357752774.

It is not a de Polignac number, because 47725775331 - 2² = 47725775327 is a prime.

It is a super-2 number, since 2×47725775331² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47725775311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11542630 + ... + 11546763.

It is an arithmetic number, because the mean of its divisors is an integer number (4363895466).

Almost surely, 2^47725775331 is an apocalyptic number.

47725775331 is a deficient number, since it is larger than the sum of its proper divisors (22096552125).

47725775331 is a wasteful number, since it uses less digits than its factorization.

47725775331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23089462.

The product of its digits is 4321800, while the sum is 51.

The spelling of 47725775331 in words is "forty-seven billion, seven hundred twenty-five million, seven hundred seventy-five thousand, three hundred thirty-one".