27086646500 has 48 divisors (see below), whose sum is σ = 59328097920. Its totient is φ = 10803365600.

The previous prime is 27086646479. The next prime is 27086646529. The reversal of 27086646500 is 564668072.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

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, 95441 + ... + 251559.

It is an arithmetic number, because the mean of its divisors is an integer number (1236002040).

Almost surely, 2^27086646500 is an apocalyptic number.

27086646500 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 27086646500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29664048960).

27086646500 is an abundant number, since it is smaller than the sum of its proper divisors (32241451420).

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

27086646500 is a wasteful number, since it uses less digits than its factorization.

27086646500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156485 (or 156473 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 27086646500 in words is "twenty-seven billion, eighty-six million, six hundred forty-six thousand, five hundred".