26772156785 has 16 divisors (see below), whose sum is σ = 35994411072. Its totient is φ = 18944424000.

The previous prime is 26772156709. The next prime is 26772156787. The reversal of 26772156785 is 58765127762.

It is not a de Polignac number, because 26772156785 - 2²⁶ = 26705047921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26772156785.

It is not an unprimeable number, because it can be changed into a prime (26772156787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6575891 + ... + 6579960.

It is an arithmetic number, because the mean of its divisors is an integer number (2249650692).

Almost surely, 2^26772156785 is an apocalyptic number.

It is an amenable number.

26772156785 is a deficient number, since it is larger than the sum of its proper divisors (9222254287).

26772156785 is a wasteful number, since it uses less digits than its factorization.

26772156785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13155904.

The product of its digits is 9878400, while the sum is 56.

The spelling of 26772156785 in words is "twenty-six billion, seven hundred seventy-two million, one hundred fifty-six thousand, seven hundred eighty-five".