27707470560 has 432 divisors, whose sum is σ = 118780972128. Its totient is φ = 5757143040.

The previous prime is 27707470547. The next prime is 27707470573. The reversal of 27707470560 is 6507470772.

It is an interprime number because it is at equal distance from previous prime (27707470547) and next prime (27707470573).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1208322 + ... + 1231038.

It is an arithmetic number, because the mean of its divisors is an integer number (274955954).

Almost surely, 2^27707470560 is an apocalyptic number.

27707470560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27707470560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59390486064).

27707470560 is an abundant number, since it is smaller than the sum of its proper divisors (91073501568).

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

27707470560 is a wasteful number, since it uses less digits than its factorization.

27707470560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22767 (or 22745 counting only the distinct ones).

The product of its (nonzero) digits is 576240, while the sum is 45.

The spelling of 27707470560 in words is "twenty-seven billion, seven hundred seven million, four hundred seventy thousand, five hundred sixty".