85871500654623 has 16 divisors (see below), whose sum is σ = 115230969617280. Its totient is φ = 56880051898464.

The previous prime is 85871500654571. The next prime is 85871500654637. The reversal of 85871500654623 is 32645600517858.

It is not a de Polignac number, because 85871500654623 - 2⁶ = 85871500654559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85871500614623) 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, 23614461 + ... + 27007142.

It is an arithmetic number, because the mean of its divisors is an integer number (7201935601080).

Almost surely, 2^{85871500654623} is an apocalyptic number.

85871500654623 is a deficient number, since it is larger than the sum of its proper divisors (29359468962657).

85871500654623 is a wasteful number, since it uses less digits than its factorization.

85871500654623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50625238.

The product of its (nonzero) digits is 48384000, while the sum is 60.

The spelling of 85871500654623 in words is "eighty-five trillion, eight hundred seventy-one billion, five hundred million, six hundred fifty-four thousand, six hundred twenty-three".