47853902820 has 96 divisors (see below), whose sum is σ = 146765001600. Its totient is φ = 11596232704.

The previous prime is 47853902813. The next prime is 47853902821. The reversal of 47853902820 is 2820935874.

It is a self number, because there is not a number n which added to its sum of digits gives 47853902820.

It is not an unprimeable number, because it can be changed into a prime (47853902821) 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, 779310 + ... + 838469.

It is an arithmetic number, because the mean of its divisors is an integer number (1528802100).

Almost surely, 2^47853902820 is an apocalyptic number.

It is an amenable number.

47853902820 is an abundant number, since it is smaller than the sum of its proper divisors (98911098780).

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

47853902820 is a wasteful number, since it uses less digits than its factorization.

47853902820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617837 (or 1617835 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 47853902820 in words is "forty-seven billion, eight hundred fifty-three million, nine hundred two thousand, eight hundred twenty".