26798687902 has 96 divisors (see below), whose sum is σ = 52359242400. Its totient is φ = 10193154048.

The previous prime is 26798687899. The next prime is 26798687977. The reversal of 26798687902 is 20978689762.

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 47 ways as a sum of consecutive naturals, for example, 7246918 + ... + 7250614.

It is an arithmetic number, because the mean of its divisors is an integer number (545408775).

Almost surely, 2^26798687902 is an apocalyptic number.

26798687902 is a deficient number, since it is larger than the sum of its proper divisors (25560554498).

26798687902 is a wasteful number, since it uses less digits than its factorization.

26798687902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3978 (or 3971 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 64.

The spelling of 26798687902 in words is "twenty-six billion, seven hundred ninety-eight million, six hundred eighty-seven thousand, nine hundred two".