26387765196 has 96 divisors (see below), whose sum is σ = 67282403328. Its totient is φ = 8000778240.

The previous prime is 26387765149. The next prime is 26387765203. The reversal of 26387765196 is 69156778362.

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, 3217461 + ... + 3225651.

It is an arithmetic number, because the mean of its divisors is an integer number (700858368).

Almost surely, 2^26387765196 is an apocalyptic number.

26387765196 is a gapful number since it is divisible by the number (26) 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 26387765196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33641201664).

26387765196 is an abundant number, since it is smaller than the sum of its proper divisors (40894638132).

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

26387765196 is a wasteful number, since it uses less digits than its factorization.

26387765196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8511 (or 8509 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 60.

The spelling of 26387765196 in words is "twenty-six billion, three hundred eighty-seven million, seven hundred sixty-five thousand, one hundred ninety-six".