27890214063631 has 16 divisors (see below), whose sum is σ = 29594227548160. Its totient is φ = 26209880817120.

The previous prime is 27890214063629. The next prime is 27890214063659. The reversal of 27890214063631 is 13636041209872.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 27890214063631 - 2¹ = 27890214063629 is a prime.

It is a super-2 number, since 2×27890214063631² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27890214063671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13532821 + ... + 15456961.

It is an arithmetic number, because the mean of its divisors is an integer number (1849639221760).

Almost surely, 2^{27890214063631} is an apocalyptic number.

27890214063631 is a deficient number, since it is larger than the sum of its proper divisors (1704013484529).

27890214063631 is a wasteful number, since it uses less digits than its factorization.

27890214063631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930294.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 27890214063631 in words is "twenty-seven trillion, eight hundred ninety billion, two hundred fourteen million, sixty-three thousand, six hundred thirty-one".