775312734265371 has 8 divisors (see below), whose sum is σ = 1148611458170960. Its totient is φ = 516875156176896.

The previous prime is 775312734265361. The next prime is 775312734265373. The reversal of 775312734265371 is 173562437213577.

775312734265371 is a `hidden beast` number, since 7 + 7 + 5 + 3 + 1 + 2 + 73 + 4 + 26 + 537 + 1 = 666.

It is not a de Polignac number, because 775312734265371 - 2¹⁷ = 775312734134299 is a prime.

It is a super-2 number, since 2×775312734265371² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 775312734265299 and 775312734265308.

It is not an unprimeable number, because it can be changed into a prime (775312734265373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14357643227110 + ... + 14357643227163.

It is an arithmetic number, because the mean of its divisors is an integer number (143576432271370).

Almost surely, 2^{775312734265371} is an apocalyptic number.

775312734265371 is a deficient number, since it is larger than the sum of its proper divisors (373298723905589).

775312734265371 is a wasteful number, since it uses less digits than its factorization.

775312734265371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28715286454282 (or 28715286454276 counting only the distinct ones).

The product of its digits is 155584800, while the sum is 63.

The spelling of 775312734265371 in words is "seven hundred seventy-five trillion, three hundred twelve billion, seven hundred thirty-four million, two hundred sixty-five thousand, three hundred seventy-one".