47091631800 has 48 divisors (see below), whose sum is σ = 145984060440. Its totient is φ = 12557768320.

The previous prime is 47091631793. The next prime is 47091631801. The reversal of 47091631800 is 813619074.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47091631801) 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 11 ways as a sum of consecutive naturals, for example, 39242427 + ... + 39243626.

Almost surely, 2^47091631800 is an apocalyptic number.

47091631800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47091631800 is an abundant number, since it is smaller than the sum of its proper divisors (98892428640).

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

47091631800 is a wasteful number, since it uses less digits than its factorization.

47091631800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78486072 (or 78486063 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 47091631800 in words is "forty-seven billion, ninety-one million, six hundred thirty-one thousand, eight hundred".