85690370 has 16 divisors (see below), whose sum is σ = 163316088. Its totient is φ = 32259840.

The previous prime is 85690351. The next prime is 85690373. The reversal of 85690370 is 7309658.

It can be written as a sum of positive squares in 4 ways, for example, as 85618009 + 72361 = 9253^2 + 269^2 .

It is not an unprimeable number, because it can be changed into a prime (85690373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251861 + ... + 252200.

Almost surely, 2^85690370 is an apocalyptic number.

85690370 is a deficient number, since it is larger than the sum of its proper divisors (77625718).

85690370 is a wasteful number, since it uses less digits than its factorization.

85690370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504085.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 85690370 is about 9256.9093114279. The cubic root of 85690370 is about 440.8701273085.

The spelling of 85690370 in words is "eighty-five million, six hundred ninety thousand, three hundred seventy".