27297428760 has 128 divisors (see below), whose sum is σ = 103990233600. Its totient is φ = 6239410560.

The previous prime is 27297428759. The next prime is 27297428771. The reversal of 27297428760 is 6782479272.

It is a happy number.

27297428760 is a `hidden beast` number, since 2 + 72 + 97 + 428 + 7 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 27297428697 and 27297428706.

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 31 ways as a sum of consecutive naturals, for example, 1797826 + ... + 1812945.

It is an arithmetic number, because the mean of its divisors is an integer number (812423700).

Almost surely, 2^27297428760 is an apocalyptic number.

27297428760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27297428760 is an abundant number, since it is smaller than the sum of its proper divisors (76692804840).

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

27297428760 is a wasteful number, since it uses less digits than its factorization.

27297428760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3610798 (or 3610788 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 27297428760 in words is "twenty-seven billion, two hundred ninety-seven million, four hundred twenty-eight thousand, seven hundred sixty".