27765000252500 has 60 divisors (see below), whose sum is σ = 69390288674784. Its totient is φ = 9519428652000.

The previous prime is 27765000252467. The next prime is 27765000252533. The reversal of 27765000252500 is 525200056772.

It is an interprime number because it is at equal distance from previous prime (27765000252467) and next prime (27765000252533).

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 19 ways as a sum of consecutive naturals, for example, 793268222 + ... + 793303221.

Almost surely, 2^{27765000252500} is an apocalyptic number.

27765000252500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27765000252500 is an abundant number, since it is smaller than the sum of its proper divisors (41625288422284).

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

27765000252500 is a wasteful number, since it uses less digits than its factorization.

27765000252500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586571474 (or 1586571457 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 41.

The spelling of 27765000252500 in words is "twenty-seven trillion, seven hundred sixty-five billion, two hundred fifty-two thousand, five hundred".