27775277275 has 12 divisors (see below), whose sum is σ = 34476128704. Its totient is φ = 22197780000.

The previous prime is 27775277251. The next prime is 27775277287. The reversal of 27775277275 is 57277257772.

It is a happy number.

It is not a de Polignac number, because 27775277275 - 2⁷ = 27775277147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 535776 + ... + 585325.

Almost surely, 2^27775277275 is an apocalyptic number.

27775277275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27775277275 is a deficient number, since it is larger than the sum of its proper divisors (6700851429).

27775277275 is a wasteful number, since it uses less digits than its factorization.

27775277275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122102 (or 1122097 counting only the distinct ones).

The product of its digits is 23529800, while the sum is 58.

The spelling of 27775277275 in words is "twenty-seven billion, seven hundred seventy-five million, two hundred seventy-seven thousand, two hundred seventy-five".