27717245480 has 16 divisors (see below), whose sum is σ = 62363802420. Its totient is φ = 11086898176.

The previous prime is 27717245471. The next prime is 27717245489. The reversal of 27717245480 is 8454271772.

It is an interprime number because it is at equal distance from previous prime (27717245471) and next prime (27717245489).

It can be written as a sum of positive squares in 2 ways, for example, as 26501886436 + 1215359044 = 162794^2 + 34862^2 .

It is not an unprimeable number, because it can be changed into a prime (27717245489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346465529 + ... + 346465608.

Almost surely, 2^27717245480 is an apocalyptic number.

27717245480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27717245480 is an abundant number, since it is smaller than the sum of its proper divisors (34646556940).

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

27717245480 is a wasteful number, since it uses less digits than its factorization.

27717245480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692931148 (or 692931144 counting only the distinct ones).

The product of its (nonzero) digits is 878080, while the sum is 47.

The spelling of 27717245480 in words is "twenty-seven billion, seven hundred seventeen million, two hundred forty-five thousand, four hundred eighty".