26882978658 has 32 divisors (see below), whose sum is σ = 54265813056. Its totient is φ = 8877754368.

The previous prime is 26882978653. The next prime is 26882978669. The reversal of 26882978658 is 85687928862.

It is a junction number, because it is equal to n+sod(n) for n = 26882978592 and 26882978601.

It is not an unprimeable number, because it can be changed into a prime (26882978653) 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, 1793985 + ... + 1808907.

It is an arithmetic number, because the mean of its divisors is an integer number (1695806658).

Almost surely, 2^26882978658 is an apocalyptic number.

26882978658 is an abundant number, since it is smaller than the sum of its proper divisors (27382834398).

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

26882978658 is a wasteful number, since it uses less digits than its factorization.

26882978658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17698.

The product of its digits is 185794560, while the sum is 69.

The spelling of 26882978658 in words is "twenty-six billion, eight hundred eighty-two million, nine hundred seventy-eight thousand, six hundred fifty-eight".