85723007158 has 32 divisors (see below), whose sum is σ = 133502688000. Its totient is φ = 41251986720.

The previous prime is 85723007131. The next prime is 85723007219. The reversal of 85723007158 is 85170032758.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16782841 + ... + 16787947.

It is an arithmetic number, because the mean of its divisors is an integer number (4171959000).

Almost surely, 2^85723007158 is an apocalyptic number.

85723007158 is a deficient number, since it is larger than the sum of its proper divisors (47779680842).

85723007158 is a wasteful number, since it uses less digits than its factorization.

85723007158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7972.

The product of its (nonzero) digits is 470400, while the sum is 46.

The spelling of 85723007158 in words is "eighty-five billion, seven hundred twenty-three million, seven thousand, one hundred fifty-eight".