27265869012 has 24 divisors (see below), whose sum is σ = 63638682912. Its totient is φ = 9086005600.

The previous prime is 27265868977. The next prime is 27265869017. The reversal of 27265869012 is 21096856272.

It is a super-2 number, since 2×27265869012² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27265869017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283539 + ... + 367322.

It is an arithmetic number, because the mean of its divisors is an integer number (2651611788).

Almost surely, 2^27265869012 is an apocalyptic number.

It is an amenable number.

27265869012 is an abundant number, since it is smaller than the sum of its proper divisors (36372813900).

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

27265869012 is a wasteful number, since it uses less digits than its factorization.

27265869012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654359 (or 654357 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 27265869012 in words is "twenty-seven billion, two hundred sixty-five million, eight hundred sixty-nine thousand, twelve".