26958921792 has 112 divisors (see below), whose sum is σ = 77891469312. Its totient is φ = 8161159680.

The previous prime is 26958921779. The next prime is 26958921817. The reversal of 26958921792 is 29712985962.

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, 2289873 + ... + 2301615.

Almost surely, 2^26958921792 is an apocalyptic number.

26958921792 is a gapful number since it is divisible by the number (22) 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 26958921792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38945734656).

26958921792 is an abundant number, since it is smaller than the sum of its proper divisors (50932547520).

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

26958921792 is a wasteful number, since it uses less digits than its factorization.

26958921792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12856 (or 12846 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 60.

The spelling of 26958921792 in words is "twenty-six billion, nine hundred fifty-eight million, nine hundred twenty-one thousand, seven hundred ninety-two".