26967799920 has 160 divisors (see below), whose sum is σ = 88100504064. Its totient is φ = 6810496000.

The previous prime is 26967799883. The next prime is 26967799997. The reversal of 26967799920 is 2999776962.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 533335 + ... + 581705.

Almost surely, 2^26967799920 is an apocalyptic number.

26967799920 is a gapful number since it is divisible by the number (20) 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 26967799920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44050252032).

26967799920 is an abundant number, since it is smaller than the sum of its proper divisors (61132704144).

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

26967799920 is a wasteful number, since it uses less digits than its factorization.

26967799920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48511 (or 48505 counting only the distinct ones).

The product of its (nonzero) digits is 46294416, while the sum is 66.

The spelling of 26967799920 in words is "twenty-six billion, nine hundred sixty-seven million, seven hundred ninety-nine thousand, nine hundred twenty".