47747297900 has 36 divisors (see below), whose sum is σ = 103643319528. Its totient is φ = 19093079040.

The previous prime is 47747297893. The next prime is 47747297909. The reversal of 47747297900 is 979274774.

It is a Smith number, since the sum of its digits (56) 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 (47747297909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 263372 + ... + 406028.

It is an arithmetic number, because the mean of its divisors is an integer number (2878981098).

Almost surely, 2^47747297900 is an apocalyptic number.

It is an amenable number.

47747297900 is an abundant number, since it is smaller than the sum of its proper divisors (55896021628).

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

47747297900 is a wasteful number, since it uses less digits than its factorization.

47747297900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146018 (or 146011 counting only the distinct ones).

The product of its (nonzero) digits is 6223392, while the sum is 56.

The spelling of 47747297900 in words is "forty-seven billion, seven hundred forty-seven million, two hundred ninety-seven thousand, nine hundred".