27912600000 has 420 divisors, whose sum is σ = 103480517448. Its totient is φ = 7439040000.

The previous prime is 27912599983. The next prime is 27912600013. The reversal of 27912600000 is 621972.

It is a super-2 number, since 2×27912600000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 16199139 + ... + 16200861.

Almost surely, 2^27912600000 is an apocalyptic number.

27912600000 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 27912600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51740258724).

27912600000 is an abundant number, since it is smaller than the sum of its proper divisors (75567917448).

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

27912600000 is an frugal number, since it uses more digits than its factorization.

27912600000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772 (or 1733 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The spelling of 27912600000 in words is "twenty-seven billion, nine hundred twelve million, six hundred thousand".