85260290 has 16 divisors (see below), whose sum is σ = 158761080. Its totient is φ = 32928000.

The previous prime is 85260283. The next prime is 85260293. The reversal of 85260290 is 9206258.

It can be written as a sum of positive squares in 4 ways, for example, as 83375161 + 1885129 = 9131^2 + 1373^2 .

It is not an unprimeable number, because it can be changed into a prime (85260293) 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, 146711 + ... + 147290.

Almost surely, 2^85260290 is an apocalyptic number.

85260290 is a deficient number, since it is larger than the sum of its proper divisors (73500790).

85260290 is a wasteful number, since it uses less digits than its factorization.

85260290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294037.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 85260290 is about 9233.6498742372. The cubic root of 85260290 is about 440.1313141123.

The spelling of 85260290 in words is "eighty-five million, two hundred sixty thousand, two hundred ninety".