85874350027431 has 32 divisors (see below), whose sum is σ = 136573644100608. Its totient is φ = 46927875709440.

The previous prime is 85874350027429. The next prime is 85874350027463. The reversal of 85874350027431 is 13472005347858.

It is a happy number.

It is not a de Polignac number, because 85874350027431 - 2¹ = 85874350027429 is a prime.

It is a super-2 number, since 2×85874350027431² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85874355027431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15939906 + ... + 20635631.

It is an arithmetic number, because the mean of its divisors is an integer number (4267926378144).

Almost surely, 2^{85874350027431} is an apocalyptic number.

85874350027431 is a deficient number, since it is larger than the sum of its proper divisors (50699294073177).

85874350027431 is a wasteful number, since it uses less digits than its factorization.

85874350027431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36580431.

The product of its (nonzero) digits is 22579200, while the sum is 57.

The spelling of 85874350027431 in words is "eighty-five trillion, eight hundred seventy-four billion, three hundred fifty million, twenty-seven thousand, four hundred thirty-one".