27883278320 has 40 divisors (see below), whose sum is σ = 65458045536. Its totient is φ = 11045023488.

The previous prime is 27883278289. The next prime is 27883278347. The reversal of 27883278320 is 2387238872.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1683707 + ... + 1700186.

Almost surely, 2^27883278320 is an apocalyptic number.

27883278320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27883278320 is an abundant number, since it is smaller than the sum of its proper divisors (37574767216).

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

27883278320 is a wasteful number, since it uses less digits than its factorization.

27883278320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3384009 (or 3384003 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 50.

The spelling of 27883278320 in words is "twenty-seven billion, eight hundred eighty-three million, two hundred seventy-eight thousand, three hundred twenty".