47774433156 has 12 divisors (see below), whose sum is σ = 111473677392. Its totient is φ = 15924811048.

The previous prime is 47774433151. The next prime is 47774433181. The reversal of 47774433156 is 65133447774.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×47774433156² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47774433099 and 47774433108.

It is not an unprimeable number, because it can be changed into a prime (47774433151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1990601370 + ... + 1990601393.

It is an arithmetic number, because the mean of its divisors is an integer number (9289473116).

Almost surely, 2^47774433156 is an apocalyptic number.

It is an amenable number.

47774433156 is an abundant number, since it is smaller than the sum of its proper divisors (63699244236).

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

47774433156 is a wasteful number, since it uses less digits than its factorization.

47774433156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3981202770 (or 3981202768 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 51.

The spelling of 47774433156 in words is "forty-seven billion, seven hundred seventy-four million, four hundred thirty-three thousand, one hundred fifty-six".