85254563519 has 8 divisors (see below), whose sum is σ = 88964272512. Its totient is φ = 81545103640.

The previous prime is 85254563507. The next prime is 85254563549. The reversal of 85254563519 is 91536545258.

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

It is a cyclic number.

It is not a de Polignac number, because 85254563519 - 2²⁸ = 84986128063 is a prime.

It is a super-2 number, since 2×85254563519² (a number of 23 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 (85254563549) 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, 1094192 + ... + 1169514.

It is an arithmetic number, because the mean of its divisors is an integer number (11120534064).

Almost surely, 2^85254563519 is an apocalyptic number.

85254563519 is a deficient number, since it is larger than the sum of its proper divisors (3709708993).

85254563519 is a wasteful number, since it uses less digits than its factorization.

85254563519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124557.

The product of its digits is 6480000, while the sum is 53.

The spelling of 85254563519 in words is "eighty-five billion, two hundred fifty-four million, five hundred sixty-three thousand, five hundred nineteen".