26647852680 has 96 divisors (see below), whose sum is σ = 88073481600. Its totient is φ = 6985646208.

The previous prime is 26647852663. The next prime is 26647852687. The reversal of 26647852680 is 8625874662.

26647852680 is a `hidden beast` number, since 2 + 66 + 478 + 52 + 68 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (26647852687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 606064 + ... + 648543.

It is an arithmetic number, because the mean of its divisors is an integer number (917432100).

Almost surely, 2^26647852680 is an apocalyptic number.

26647852680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26647852680 is an abundant number, since it is smaller than the sum of its proper divisors (61425628920).

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

26647852680 is a wasteful number, since it uses less digits than its factorization.

26647852680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254683 (or 1254676 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The spelling of 26647852680 in words is "twenty-six billion, six hundred forty-seven million, eight hundred fifty-two thousand, six hundred eighty".