27874290657531 has 8 divisors (see below), whose sum is σ = 38030039967040. Its totient is φ = 18150700893192.

The previous prime is 27874290657511. The next prime is 27874290657547. The reversal of 27874290657531 is 13575609247872.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27874290657531 - 2²⁷ = 27874156439803 is a prime.

It is a super-2 number, since 2×27874290657531² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27874290657511) 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, 108039886141 + ... + 108039886398.

It is an arithmetic number, because the mean of its divisors is an integer number (4753754995880).

It is a 1-persistent number, because it is pandigital, but 2⋅27874290657531 = 55748581315062 is not.

Almost surely, 2^{27874290657531} is an apocalyptic number.

27874290657531 is a deficient number, since it is larger than the sum of its proper divisors (10155749309509).

27874290657531 is a wasteful number, since it uses less digits than its factorization.

27874290657531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216079772585.

The product of its (nonzero) digits is 177811200, while the sum is 66.

The spelling of 27874290657531 in words is "twenty-seven trillion, eight hundred seventy-four billion, two hundred ninety million, six hundred fifty-seven thousand, five hundred thirty-one".