85745770 has 16 divisors (see below), whose sum is σ = 168373728. Its totient is φ = 31180240.

The previous prime is 85745747. The next prime is 85745797. The reversal of 85745770 is 7754758.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389644 + ... + 389863.

It is an arithmetic number, because the mean of its divisors is an integer number (10523358).

Almost surely, 2^85745770 is an apocalyptic number.

85745770 is a deficient number, since it is larger than the sum of its proper divisors (82627958).

85745770 is a wasteful number, since it uses less digits than its factorization.

85745770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779525.

The product of its (nonzero) digits is 274400, while the sum is 43.

The square root of 85745770 is about 9259.9011873778. The cubic root of 85745770 is about 440.9651163698.

The spelling of 85745770 in words is "eighty-five million, seven hundred forty-five thousand, seven hundred seventy".