7772334137138 has 16 divisors (see below), whose sum is σ = 12466516146264. Its totient is φ = 3621355449600.

The previous prime is 7772334137123. The next prime is 7772334137143. The reversal of 7772334137138 is 8317314332777.

It can be written as a sum of positive squares in 4 ways, for example, as 7561163559049 + 211170578089 = 2749757^2 + 459533^2 .

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, 1131670145 + ... + 1131677012.

Almost surely, 2^{7772334137138} is an apocalyptic number.

7772334137138 is a deficient number, since it is larger than the sum of its proper divisors (4694182009126).

7772334137138 is a wasteful number, since it uses less digits than its factorization.

7772334137138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263347277.

The product of its digits is 12446784, while the sum is 56.

The spelling of 7772334137138 in words is "seven trillion, seven hundred seventy-two billion, three hundred thirty-four million, one hundred thirty-seven thousand, one hundred thirty-eight".