26676078980 has 12 divisors (see below), whose sum is σ = 56019765900. Its totient is φ = 10670431584.

The previous prime is 26676078971. The next prime is 26676078991. The reversal of 26676078980 is 8987067662.

It can be written as a sum of positive squares in 2 ways, for example, as 6041331076 + 20634747904 = 77726^2 + 143648^2 .

It is a super-2 number, since 2×26676078980² (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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666901955 + ... + 666901994.

It is an arithmetic number, because the mean of its divisors is an integer number (4668313825).

Almost surely, 2^26676078980 is an apocalyptic number.

26676078980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26676078980 is an abundant number, since it is smaller than the sum of its proper divisors (29343686920).

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

26676078980 is a wasteful number, since it uses less digits than its factorization.

26676078980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333803958 (or 1333803956 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 59.

The spelling of 26676078980 in words is "twenty-six billion, six hundred seventy-six million, seventy-eight thousand, nine hundred eighty".