26879512458 has 32 divisors (see below), whose sum is σ = 57020451840. Its totient is φ = 8423466480.

The previous prime is 26879512453. The next prime is 26879512469. The reversal of 26879512458 is 85421597862.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 26879512398 and 26879512407.

It is not an unprimeable number, because it can be changed into a prime (26879512453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 885010 + ... + 914877.

It is an arithmetic number, because the mean of its divisors is an integer number (1781889120).

Almost surely, 2^26879512458 is an apocalyptic number.

26879512458 is an abundant number, since it is smaller than the sum of its proper divisors (30140939382).

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

26879512458 is a wasteful number, since it uses less digits than its factorization.

26879512458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800042.

The product of its digits is 9676800, while the sum is 57.

The spelling of 26879512458 in words is "twenty-six billion, eight hundred seventy-nine million, five hundred twelve thousand, four hundred fifty-eight".