775674136244 has 12 divisors (see below), whose sum is σ = 1551348272544. Its totient is φ = 332431772664.

The previous prime is 775674136201. The next prime is 775674136253. The reversal of 775674136244 is 442631476577.

775674136244 is an admirable number.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 775674136244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13851323834 + ... + 13851323889.

It is an arithmetic number, because the mean of its divisors is an integer number (129279022712).

Almost surely, 2^775674136244 is an apocalyptic number.

It is an amenable number.

775674136244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

775674136244 is a wasteful number, since it uses less digits than its factorization.

775674136244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27702647734 (or 27702647732 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 56.

The spelling of 775674136244 in words is "seven hundred seventy-five billion, six hundred seventy-four million, one hundred thirty-six thousand, two hundred forty-four".