26858898870 has 64 divisors (see below), whose sum is σ = 64966302720. Its totient is φ = 7106489600.

The previous prime is 26858898839. The next prime is 26858898889. The reversal of 26858898870 is 7889885862.

It is a junction number, because it is equal to n+sod(n) for n = 26858898795 and 26858898804.

It is a congruent number.

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, 2008105 + ... + 2021435.

It is an arithmetic number, because the mean of its divisors is an integer number (1015098480).

Almost surely, 2^26858898870 is an apocalyptic number.

26858898870 is an abundant number, since it is smaller than the sum of its proper divisors (38107403850).

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

26858898870 is a wasteful number, since it uses less digits than its factorization.

26858898870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13861.

The product of its (nonzero) digits is 123863040, while the sum is 69.

The spelling of 26858898870 in words is "twenty-six billion, eight hundred fifty-eight million, eight hundred ninety-eight thousand, eight hundred seventy".