47661090690 has 64 divisors (see below), whose sum is σ = 121151044224. Its totient is φ = 11958463488.

The previous prime is 47661090661. The next prime is 47661090691. The reversal of 47661090690 is 9609016674.

It is a super-2 number, since 2×47661090690² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47661090691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2001132 + ... + 2024808.

It is an arithmetic number, because the mean of its divisors is an integer number (1892985066).

Almost surely, 2^47661090690 is an apocalyptic number.

47661090690 is an abundant number, since it is smaller than the sum of its proper divisors (73489953534).

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

47661090690 is a wasteful number, since it uses less digits than its factorization.

47661090690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27651.

The product of its (nonzero) digits is 489888, while the sum is 48.

The spelling of 47661090690 in words is "forty-seven billion, six hundred sixty-one million, ninety thousand, six hundred ninety".