27725018763198 has 16 divisors (see below), whose sum is σ = 55456073343360. Its totient is φ = 9240666951576.

The previous prime is 27725018763179. The next prime is 27725018763217. The reversal of 27725018763198 is 89136781052772.

It is an interprime number because it is at equal distance from previous prime (27725018763179) and next prime (27725018763217).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251432658 + ... + 251542901.

It is an arithmetic number, because the mean of its divisors is an integer number (3466004583960).

Almost surely, 2^{27725018763198} is an apocalyptic number.

27725018763198 is an abundant number, since it is smaller than the sum of its proper divisors (27731054580162).

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

27725018763198 is a wasteful number, since it uses less digits than its factorization.

27725018763198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502984751.

The product of its (nonzero) digits is 71124480, while the sum is 66.

The spelling of 27725018763198 in words is "twenty-seven trillion, seven hundred twenty-five billion, eighteen million, seven hundred sixty-three thousand, one hundred ninety-eight".