26170770858 has 16 divisors (see below), whose sum is σ = 52422448320. Its totient is φ = 8710105856.

The previous prime is 26170770851. The next prime is 26170770917. The reversal of 26170770858 is 85807707162.

It is a self number, because there is not a number n which added to its sum of digits gives 26170770858.

It is not an unprimeable number, because it can be changed into a prime (26170770851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3366903 + ... + 3374666.

It is an arithmetic number, because the mean of its divisors is an integer number (3276403020).

Almost surely, 2^26170770858 is an apocalyptic number.

26170770858 is an abundant number, since it is smaller than the sum of its proper divisors (26251677462).

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

26170770858 is a wasteful number, since it uses less digits than its factorization.

26170770858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6742221.

The product of its (nonzero) digits is 1317120, while the sum is 51.

The spelling of 26170770858 in words is "twenty-six billion, one hundred seventy million, seven hundred seventy thousand, eight hundred fifty-eight".