26798410878 has 16 divisors (see below), whose sum is σ = 53620428816. Its totient is φ = 8928869120.

The previous prime is 26798410867. The next prime is 26798410907. The reversal of 26798410878 is 87801489762.

It is a super-2 number, since 2×26798410878² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968853 + ... + 996128.

It is an arithmetic number, because the mean of its divisors is an integer number (3351276801).

Almost surely, 2^26798410878 is an apocalyptic number.

26798410878 is an abundant number, since it is smaller than the sum of its proper divisors (26822017938).

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

26798410878 is a wasteful number, since it uses less digits than its factorization.

26798410878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967259.

The product of its (nonzero) digits is 10838016, while the sum is 60.

The spelling of 26798410878 in words is "twenty-six billion, seven hundred ninety-eight million, four hundred ten thousand, eight hundred seventy-eight".