85959861524 has 12 divisors (see below), whose sum is σ = 155616990900. Its totient is φ = 41497864128.

The previous prime is 85959861517. The next prime is 85959861551. The reversal of 85959861524 is 42516895958.

It can be written as a sum of positive squares in 2 ways, for example, as 51401051524 + 34558810000 = 226718^2 + 185900^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370516529 + ... + 370516760.

It is an arithmetic number, because the mean of its divisors is an integer number (12968082575).

Almost surely, 2^85959861524 is an apocalyptic number.

It is an amenable number.

85959861524 is a deficient number, since it is larger than the sum of its proper divisors (69657129376).

85959861524 is a wasteful number, since it uses less digits than its factorization.

85959861524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741033322 (or 741033320 counting only the distinct ones).

The product of its digits is 31104000, while the sum is 62.

The spelling of 85959861524 in words is "eighty-five billion, nine hundred fifty-nine million, eight hundred sixty-one thousand, five hundred twenty-four".