775213263755 has 16 divisors (see below), whose sum is σ = 1068658175424. Its totient is φ = 528820531200.

The previous prime is 775213263743. The next prime is 775213263817. The reversal of 775213263755 is 557362312577.

It is not a de Polignac number, because 775213263755 - 2¹⁴ = 775213247371 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 775213263697 and 775213263706.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57373946 + ... + 57387455.

It is an arithmetic number, because the mean of its divisors is an integer number (66791135964).

Almost surely, 2^775213263755 is an apocalyptic number.

775213263755 is a deficient number, since it is larger than the sum of its proper divisors (293444911669).

775213263755 is a wasteful number, since it uses less digits than its factorization.

775213263755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114761606.

The product of its digits is 9261000, while the sum is 53.

The spelling of 775213263755 in words is "seven hundred seventy-five billion, two hundred thirteen million, two hundred sixty-three thousand, seven hundred fifty-five".