26797383984 has 160 divisors (see below), whose sum is σ = 80338857984. Its totient is φ = 7538699520.

The previous prime is 26797383961. The next prime is 26797384001. The reversal of 26797383984 is 48938379762.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9229477 + ... + 9232379.

Almost surely, 2^26797383984 is an apocalyptic number.

26797383984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26797383984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40169428992).

26797383984 is an abundant number, since it is smaller than the sum of its proper divisors (53541474000).

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

26797383984 is a wasteful number, since it uses less digits than its factorization.

26797383984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3335 (or 3329 counting only the distinct ones).

The product of its digits is 109734912, while the sum is 66.

The spelling of 26797383984 in words is "twenty-six billion, seven hundred ninety-seven million, three hundred eighty-three thousand, nine hundred eighty-four".