27775002252 has 24 divisors (see below), whose sum is σ = 65077259632. Its totient is φ = 9219916800.

The previous prime is 27775002251. The next prime is 27775002349. The reversal of 27775002252 is 25220057772.

It is a self number, because there is not a number n which added to its sum of digits gives 27775002252.

It is not an unprimeable number, because it can be changed into a prime (27775002251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4799149 + ... + 4804932.

Almost surely, 2^27775002252 is an apocalyptic number.

It is an amenable number.

27775002252 is an abundant number, since it is smaller than the sum of its proper divisors (37302257380).

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

27775002252 is a wasteful number, since it uses less digits than its factorization.

27775002252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9604329 (or 9604327 counting only the distinct ones).

The product of its (nonzero) digits is 137200, while the sum is 39.

The spelling of 27775002252 in words is "twenty-seven billion, seven hundred seventy-five million, two thousand, two hundred fifty-two".