947786746144 has 36 divisors (see below), whose sum is σ = 2170600899894. Its totient is φ = 406194319104.

The previous prime is 947786746121. The next prime is 947786746169. The reversal of 947786746144 is 441647687749.

It can be written as a sum of positive squares in only one way, i.e., 924251504400 + 23535241744 = 961380^2 + 153412^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 947786746144.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 302226349 + ... + 302229484.

Almost surely, 2^947786746144 is an apocalyptic number.

It is an amenable number.

947786746144 is an abundant number, since it is smaller than the sum of its proper divisors (1222814153750).

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

947786746144 is a wasteful number, since it uses less digits than its factorization.

947786746144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604455857 (or 604455842 counting only the distinct ones).

The product of its digits is 227598336, while the sum is 67.

The spelling of 947786746144 in words is "nine hundred forty-seven billion, seven hundred eighty-six million, seven hundred forty-six thousand, one hundred forty-four".