26786694720 has 112 divisors (see below), whose sum is σ = 85081993920. Its totient is φ = 7140243456.

The previous prime is 26786694709. The next prime is 26786694731. The reversal of 26786694720 is 2749668762.

It is an interprime number because it is at equal distance from previous prime (26786694709) and next prime (26786694731).

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, 3556879 + ... + 3564401.

It is an arithmetic number, because the mean of its divisors is an integer number (759660660).

Almost surely, 2^26786694720 is an apocalyptic number.

26786694720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26786694720 is an abundant number, since it is smaller than the sum of its proper divisors (58295299200).

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

26786694720 is a wasteful number, since it uses less digits than its factorization.

26786694720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11252 (or 11242 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 57.

The spelling of 26786694720 in words is "twenty-six billion, seven hundred eighty-six million, six hundred ninety-four thousand, seven hundred twenty".