85835258 has 4 divisors (see below), whose sum is σ = 128752890. Its totient is φ = 42917628.

The previous prime is 85835257. The next prime is 85835291. The reversal of 85835258 is 85253858.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 44528929 + 41306329 = 6673^2 + 6427^2 .

It is not an unprimeable number, because it can be changed into a prime (85835257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21458813 + ... + 21458816.

Almost surely, 2^85835258 is an apocalyptic number.

85835258 is a deficient number, since it is larger than the sum of its proper divisors (42917632).

85835258 is a wasteful number, since it uses less digits than its factorization.

85835258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42917631.

The product of its digits is 384000, while the sum is 44.

The square root of 85835258 is about 9264.7319443144. The cubic root of 85835258 is about 441.1184664671.

The spelling of 85835258 in words is "eighty-five million, eight hundred thirty-five thousand, two hundred fifty-eight".