47790581650 has 48 divisors (see below), whose sum is σ = 102538633536. Its totient is φ = 16232195520.

The previous prime is 47790581599. The next prime is 47790581651. The reversal of 47790581650 is 5618509774.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (47790581651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 600609 + ... + 675508.

It is an arithmetic number, because the mean of its divisors is an integer number (2136221532).

Almost surely, 2^47790581650 is an apocalyptic number.

47790581650 is an abundant number, since it is smaller than the sum of its proper divisors (54748051886).

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

47790581650 is a wasteful number, since it uses less digits than its factorization.

47790581650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276243 (or 1276238 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 52.

The spelling of 47790581650 in words is "forty-seven billion, seven hundred ninety million, five hundred eighty-one thousand, six hundred fifty".