27247000080 has 80 divisors (see below), whose sum is σ = 84524679360. Its totient is φ = 7260793344.

The previous prime is 27247000061. The next prime is 27247000091. The reversal of 27247000080 is 8000074272.

27247000080 is a nontrivial binomial coefficient, being equal to C(233440, 2).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311254 + ... + 389066.

It is an arithmetic number, because the mean of its divisors is an integer number (1056558492).

Almost surely, 2^27247000080 is an apocalyptic number.

27247000080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

27247000080 is the 233439-th triangular number and also the 116720-th hexagonal number.

It is an amenable number.

27247000080 is an abundant number, since it is smaller than the sum of its proper divisors (57277679280).

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

27247000080 is a wasteful number, since it uses less digits than its factorization.

27247000080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79288 (or 79282 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The spelling of 27247000080 in words is "twenty-seven billion, two hundred forty-seven million, eighty", and thus it is an aban number.