27823502725 has 12 divisors (see below), whose sum is σ = 34842742020. Its totient is φ = 22038416000.

The previous prime is 27823502719. The next prime is 27823502731. The reversal of 27823502725 is 52720532872.

It is an interprime number because it is at equal distance from previous prime (27823502719) and next prime (27823502731).

It can be written as a sum of positive squares in 6 ways, for example, as 436893604 + 27386609121 = 20902^2 + 165489^2 .

It is a de Polignac number, because none of the positive numbers 2^k-27823502725 is a prime.

It is a congruent 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, 5507080 + ... + 5512129.

It is an arithmetic number, because the mean of its divisors is an integer number (2903561835).

Almost surely, 2^27823502725 is an apocalyptic number.

27823502725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27823502725 is a deficient number, since it is larger than the sum of its proper divisors (7019239295).

27823502725 is a wasteful number, since it uses less digits than its factorization.

27823502725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11019320 (or 11019315 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 43.

The spelling of 27823502725 in words is "twenty-seven billion, eight hundred twenty-three million, five hundred two thousand, seven hundred twenty-five".