47144645766 has 12 divisors (see below), whose sum is σ = 102146732532. Its totient is φ = 15714881916.

The previous prime is 47144645759. The next prime is 47144645767. The reversal of 47144645766 is 66754644174.

47144645766 is a `hidden beast` number, since 4 + 7 + 1 + 4 + 4 + 64 + 576 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47144645767) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1309573476 + ... + 1309573511.

It is an arithmetic number, because the mean of its divisors is an integer number (8512227711).

Almost surely, 2^47144645766 is an apocalyptic number.

47144645766 is an abundant number, since it is smaller than the sum of its proper divisors (55002086766).

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

47144645766 is a wasteful number, since it uses less digits than its factorization.

47144645766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619146995 (or 2619146992 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 54.

The spelling of 47144645766 in words is "forty-seven billion, one hundred forty-four million, six hundred forty-five thousand, seven hundred sixty-six".