27875150992 has 20 divisors (see below), whose sum is σ = 58162575100. Its totient is φ = 12865454208.

The previous prime is 27875150917. The next prime is 27875151013. The reversal of 27875150992 is 29905157872.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7533545616 + 20341605376 = 86796^2 + 142624^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67007367 + ... + 67007782.

It is an arithmetic number, because the mean of its divisors is an integer number (2908128755).

Almost surely, 2^27875150992 is an apocalyptic number.

It is an amenable number.

27875150992 is an abundant number, since it is smaller than the sum of its proper divisors (30287424108).

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

27875150992 is a wasteful number, since it uses less digits than its factorization.

27875150992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134015170 (or 134015164 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 55.

The spelling of 27875150992 in words is "twenty-seven billion, eight hundred seventy-five million, one hundred fifty thousand, nine hundred ninety-two".