27752485851 has 12 divisors (see below), whose sum is σ = 40095692728. Its totient is φ = 18497610144.

The previous prime is 27752485841. The next prime is 27752485853. The reversal of 27752485851 is 15858425772.

It is a happy number.

27752485851 is a `hidden beast` number, since 2 + 7 + 7 + 52 + 4 + 8 + 585 + 1 = 666.

It is not a de Polignac number, because 27752485851 - 2⁹ = 27752485339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27752485853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 293530 + ... + 376383.

Almost surely, 2^27752485851 is an apocalyptic number.

27752485851 is a deficient number, since it is larger than the sum of its proper divisors (12343206877).

27752485851 is a wasteful number, since it uses less digits than its factorization.

27752485851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674522 (or 674519 counting only the distinct ones).

The product of its digits is 6272000, while the sum is 54.

The spelling of 27752485851 in words is "twenty-seven billion, seven hundred fifty-two million, four hundred eighty-five thousand, eight hundred fifty-one".