47791820108 has 6 divisors (see below), whose sum is σ = 83635685196. Its totient is φ = 23895910052.

The previous prime is 47791820101. The next prime is 47791820137. The reversal of 47791820108 is 80102819774.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (47791820101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5973977510 + ... + 5973977517.

It is an arithmetic number, because the mean of its divisors is an integer number (13939280866).

Almost surely, 2^47791820108 is an apocalyptic number.

It is an amenable number.

47791820108 is a deficient number, since it is larger than the sum of its proper divisors (35843865088).

47791820108 is a wasteful number, since it uses less digits than its factorization.

47791820108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11947955031 (or 11947955029 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 47.

The spelling of 47791820108 in words is "forty-seven billion, seven hundred ninety-one million, eight hundred twenty thousand, one hundred eight".