26727000816 has 40 divisors (see below), whose sum is σ = 69066265984. Its totient is φ = 8906224320.

The previous prime is 26727000809. The next prime is 26727000917. The reversal of 26727000816 is 61800072762.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 71895 + ... + 242121.

Almost surely, 2^26727000816 is an apocalyptic number.

It is an amenable number.

26727000816 is an abundant number, since it is smaller than the sum of its proper divisors (42339265168).

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

26727000816 is a wasteful number, since it uses less digits than its factorization.

26727000816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173509 (or 173503 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The spelling of 26727000816 in words is "twenty-six billion, seven hundred twenty-seven million, eight hundred sixteen", and thus it is an aban number.