85907590 has 8 divisors (see below), whose sum is σ = 154633680. Its totient is φ = 34363032.

The previous prime is 85907561. The next prime is 85907597. The reversal of 85907590 is 9570958.

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

It is a super-2 number, since 2×85907590² = 14760228039216200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85907597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4295370 + ... + 4295389.

It is an arithmetic number, because the mean of its divisors is an integer number (19329210).

Almost surely, 2^85907590 is an apocalyptic number.

85907590 is a deficient number, since it is larger than the sum of its proper divisors (68726090).

85907590 is a wasteful number, since it uses less digits than its factorization.

85907590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8590766.

The product of its (nonzero) digits is 113400, while the sum is 43.

The square root of 85907590 is about 9268.6347430460. The cubic root of 85907590 is about 441.2423395054.

The spelling of 85907590 in words is "eighty-five million, nine hundred seven thousand, five hundred ninety".