26865079824 has 80 divisors (see below), whose sum is σ = 76994000640. Its totient is φ = 8002942080.

The previous prime is 26865079807. The next prime is 26865079831. The reversal of 26865079824 is 42897056862.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400042 + ... + 462345.

It is an arithmetic number, because the mean of its divisors is an integer number (962425008).

Almost surely, 2^26865079824 is an apocalyptic number.

26865079824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26865079824 is an abundant number, since it is smaller than the sum of its proper divisors (50128920816).

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

26865079824 is a wasteful number, since it uses less digits than its factorization.

26865079824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862468 (or 862462 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 26865079824 in words is "twenty-six billion, eight hundred sixty-five million, seventy-nine thousand, eight hundred twenty-four".