26768694625 has 16 divisors (see below), whose sum is σ = 33493271760. Its totient is φ = 21359865600.

The previous prime is 26768694613. The next prime is 26768694629. The reversal of 26768694625 is 52649686762.

It can be written as a sum of positive squares in 8 ways, for example, as 21549065616 + 5219629009 = 146796^2 + 72247^2 .

It is not a de Polignac number, because 26768694625 - 2²⁹ = 26231823713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26768694629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226632 + ... + 323881.

It is an arithmetic number, because the mean of its divisors is an integer number (2093329485).

Almost surely, 2^26768694625 is an apocalyptic number.

26768694625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26768694625 is a deficient number, since it is larger than the sum of its proper divisors (6724577135).

26768694625 is an equidigital number, since it uses as much as digits as its factorization.

26768694625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550917 (or 550907 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 61.

The spelling of 26768694625 in words is "twenty-six billion, seven hundred sixty-eight million, six hundred ninety-four thousand, six hundred twenty-five".