47986701831 has 32 divisors (see below), whose sum is σ = 71825107200. Its totient is φ = 31662277920.

The previous prime is 47986701821. The next prime is 47986701859. The reversal of 47986701831 is 13810768974.

It is not a de Polignac number, because 47986701831 - 2⁵ = 47986701799 is a prime.

It is a super-2 number, since 2×47986701831² (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 (47986701821) 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 31 ways as a sum of consecutive naturals, for example, 1322625 + ... + 1358421.

It is an arithmetic number, because the mean of its divisors is an integer number (2244534600).

Almost surely, 2^47986701831 is an apocalyptic number.

47986701831 is a deficient number, since it is larger than the sum of its proper divisors (23838405369).

47986701831 is a wasteful number, since it uses less digits than its factorization.

47986701831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36316 (or 36310 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The spelling of 47986701831 in words is "forty-seven billion, nine hundred eighty-six million, seven hundred one thousand, eight hundred thirty-one".