27930811392 has 550 divisors, whose sum is σ = 95735979240. Its totient is φ = 8095887360.

The previous prime is 27930811361. The next prime is 27930811451. The reversal of 27930811392 is 29311803972.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 49 ways as a sum of consecutive naturals, for example, 1214383093 + ... + 1214383115.

Almost surely, 2^27930811392 is an apocalyptic number.

27930811392 is a gapful number since it is divisible by the number (22) 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 27930811392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47867989620).

27930811392 is an abundant number, since it is smaller than the sum of its proper divisors (67805167848).

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

27930811392 is an frugal number, since it uses more digits than its factorization.

27930811392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 39 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 27930811392 in words is "twenty-seven billion, nine hundred thirty million, eight hundred eleven thousand, three hundred ninety-two".