47183731297488 has 30 divisors (see below), whose sum is σ = 132048914673234. Its totient is φ = 15727910432448.

The previous prime is 47183731297457. The next prime is 47183731297531. The reversal of 47183731297488 is 88479213738174.

47183731297488 is a `hidden beast` number, since 4 + 7 + 18 + 3 + 7 + 3 + 129 + 7 + 488 = 666.

It can be written as a sum of positive squares in only one way, i.e., 40618595985984 + 6565135311504 = 6373272^2 + 2562252^2 .

It is a super-2 number, since 2×47183731297488² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 163832400195 + ... + 163832400482.

Almost surely, 2^{47183731297488} is an apocalyptic number.

47183731297488 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

47183731297488 is an abundant number, since it is smaller than the sum of its proper divisors (84865183375746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47183731297488 is a wasteful number, since it uses less digits than its factorization.

47183731297488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327664800691 (or 327664800682 counting only the distinct ones).

The product of its digits is 455196672, while the sum is 72.

The spelling of 47183731297488 in words is "forty-seven trillion, one hundred eighty-three billion, seven hundred thirty-one million, two hundred ninety-seven thousand, four hundred eighty-eight".