27772076225 has 12 divisors (see below), whose sum is σ = 35934652416. Its totient is φ = 21251675280.

The previous prime is 27772076221. The next prime is 27772076239. The reversal of 27772076225 is 52267027772.

It is not a de Polignac number, because 27772076225 - 2² = 27772076221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27772076225.

It is not an unprimeable number, because it can be changed into a prime (27772076221) 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, 24149057 + ... + 24150206.

It is an arithmetic number, because the mean of its divisors is an integer number (2994554368).

Almost surely, 2^27772076225 is an apocalyptic number.

27772076225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27772076225 is a deficient number, since it is larger than the sum of its proper divisors (8162576191).

27772076225 is a wasteful number, since it uses less digits than its factorization.

27772076225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48299296 (or 48299291 counting only the distinct ones).

The product of its (nonzero) digits is 1152480, while the sum is 47.

The spelling of 27772076225 in words is "twenty-seven billion, seven hundred seventy-two million, seventy-six thousand, two hundred twenty-five".