47671767637 has 32 divisors (see below), whose sum is σ = 53371422720. Its totient is φ = 42297474240.

The previous prime is 47671767631. The next prime is 47671767641. The reversal of 47671767637 is 73676717674.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 47671767637 - 2⁷ = 47671767509 is a prime.

It is a super-2 number, since 2×47671767637² (a number of 22 digits) contains 22 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 (47671767631) 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, 36473538 + ... + 36474844.

It is an arithmetic number, because the mean of its divisors is an integer number (1667856960).

Almost surely, 2^47671767637 is an apocalyptic number.

It is an amenable number.

47671767637 is a deficient number, since it is larger than the sum of its proper divisors (5699655083).

47671767637 is a wasteful number, since it uses less digits than its factorization.

47671767637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353.

The product of its digits is 43563744, while the sum is 61.

The spelling of 47671767637 in words is "forty-seven billion, six hundred seventy-one million, seven hundred sixty-seven thousand, six hundred thirty-seven".