27805923000 has 320 divisors, whose sum is σ = 98226928800. Its totient is φ = 7336396800.

The previous prime is 27805922939. The next prime is 27805923007. The reversal of 27805923000 is 32950872.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27805923007) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7855231 + ... + 7858769.

Almost surely, 2^27805923000 is an apocalyptic number.

27805923000 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 27805923000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49113464400).

27805923000 is an abundant number, since it is smaller than the sum of its proper divisors (70421005800).

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

27805923000 is a wasteful number, since it uses less digits than its factorization.

27805923000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3669 (or 3646 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 27805923000 in words is "twenty-seven billion, eight hundred five million, nine hundred twenty-three thousand".