26669868876 has 72 divisors (see below), whose sum is σ = 78131499264. Its totient is φ = 7512634080.

The previous prime is 26669868791. The next prime is 26669868919. The reversal of 26669868876 is 67886896662.

It is a super-2 number, since 2×26669868876² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 727410 + ... + 763193.

It is an arithmetic number, because the mean of its divisors is an integer number (1085159712).

Almost surely, 2^26669868876 is an apocalyptic number.

It is an amenable number.

26669868876 is an abundant number, since it is smaller than the sum of its proper divisors (51461630388).

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

26669868876 is a wasteful number, since it uses less digits than its factorization.

26669868876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490691 (or 1490686 counting only the distinct ones).

The product of its digits is 501645312, while the sum is 72.

The spelling of 26669868876 in words is "twenty-six billion, six hundred sixty-nine million, eight hundred sixty-eight thousand, eight hundred seventy-six".