26791861746 has 16 divisors (see below), whose sum is σ = 57705548544. Its totient is φ = 8243649744.

The previous prime is 26791861741. The next prime is 26791861777. The reversal of 26791861746 is 64716819762.

It is not an unprimeable number, because it can be changed into a prime (26791861741) 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, 171742626 + ... + 171742781.

It is an arithmetic number, because the mean of its divisors is an integer number (3606596784).

Almost surely, 2^26791861746 is an apocalyptic number.

26791861746 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

26791861746 is an abundant number, since it is smaller than the sum of its proper divisors (30913686798).

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

26791861746 is a wasteful number, since it uses less digits than its factorization.

26791861746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343485425.

The product of its digits is 6096384, while the sum is 57.

The spelling of 26791861746 in words is "twenty-six billion, seven hundred ninety-one million, eight hundred sixty-one thousand, seven hundred forty-six".