85458836 has 6 divisors (see below), whose sum is σ = 149552970. Its totient is φ = 42729416.

The previous prime is 85458811. The next prime is 85458851. The reversal of 85458836 is 63885458.

It can be written as a sum of positive squares in only one way, i.e., 49984900 + 35473936 = 7070^2 + 5956^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10682351 + ... + 10682358.

It is an arithmetic number, because the mean of its divisors is an integer number (24925495).

Almost surely, 2^85458836 is an apocalyptic number.

It is an amenable number.

85458836 is a deficient number, since it is larger than the sum of its proper divisors (64094134).

85458836 is a wasteful number, since it uses less digits than its factorization.

85458836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21364713 (or 21364711 counting only the distinct ones).

The product of its digits is 921600, while the sum is 47.

The square root of 85458836 is about 9244.3948422815. The cubic root of 85458836 is about 440.4726944791.

The spelling of 85458836 in words is "eighty-five million, four hundred fifty-eight thousand, eight hundred thirty-six".