85297850 has 24 divisors (see below), whose sum is σ = 173078208. Its totient is φ = 31017200.

The previous prime is 85297843. The next prime is 85297871. The reversal of 85297850 is 5879258.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 76994 + ... + 78093.

It is an arithmetic number, because the mean of its divisors is an integer number (7211592).

Almost surely, 2^85297850 is an apocalyptic number.

85297850 is an abundant number, since it is smaller than the sum of its proper divisors (87780358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85297850 is a wasteful number, since it uses less digits than its factorization.

85297850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155110 (or 155105 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 85297850 is about 9235.6835155824. The cubic root of 85297850 is about 440.1959354627.

The spelling of 85297850 in words is "eighty-five million, two hundred ninety-seven thousand, eight hundred fifty".