47872038690 has 64 divisors (see below), whose sum is σ = 145895742720. Its totient is φ = 10942179840.

The previous prime is 47872038673. The next prime is 47872038691. The reversal of 47872038690 is 9683027874.

47872038690 is a `hidden beast` number, since 478 + 7 + 2 + 0 + 3 + 86 + 90 = 666.

It is a super-2 number, since 2×47872038690² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (47872038691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12662671 + ... + 12666450.

It is an arithmetic number, because the mean of its divisors is an integer number (2279620980).

Almost surely, 2^47872038690 is an apocalyptic number.

47872038690 is an abundant number, since it is smaller than the sum of its proper divisors (98023704030).

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

47872038690 is a wasteful number, since it uses less digits than its factorization.

47872038690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25329144 (or 25329138 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 47872038690 in words is "forty-seven billion, eight hundred seventy-two million, thirty-eight thousand, six hundred ninety".