85458623876 has 6 divisors (see below), whose sum is σ = 149552591790. Its totient is φ = 42729311936.

The previous prime is 85458623863. The next prime is 85458623891. The reversal of 85458623876 is 67832685458.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 68460722500 + 16997901376 = 261650^2 + 130376^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10682327981 + ... + 10682327988.

It is an arithmetic number, because the mean of its divisors is an integer number (24925431965).

Almost surely, 2^85458623876 is an apocalyptic number.

It is an amenable number.

85458623876 is a deficient number, since it is larger than the sum of its proper divisors (64093967914).

85458623876 is a wasteful number, since it uses less digits than its factorization.

85458623876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21364655973 (or 21364655971 counting only the distinct ones).

The product of its digits is 77414400, while the sum is 62.

The spelling of 85458623876 in words is "eighty-five billion, four hundred fifty-eight million, six hundred twenty-three thousand, eight hundred seventy-six".