47809544156 has 24 divisors (see below), whose sum is σ = 91490636160. Its totient is φ = 21679737200.

The previous prime is 47809544149. The next prime is 47809544177. The reversal of 47809544156 is 65144590874.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 47809544098 and 47809544107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1278200 + ... + 1315071.

It is an arithmetic number, because the mean of its divisors is an integer number (3812109840).

Almost surely, 2^47809544156 is an apocalyptic number.

It is an amenable number.

47809544156 is a deficient number, since it is larger than the sum of its proper divisors (43681092004).

47809544156 is a wasteful number, since it uses less digits than its factorization.

47809544156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2593705 (or 2593703 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 47809544156 in words is "forty-seven billion, eight hundred nine million, five hundred forty-four thousand, one hundred fifty-six".