85155826 has 12 divisors (see below), whose sum is σ = 148588398. Its totient is φ = 36495312.

The previous prime is 85155809. The next prime is 85155841. The reversal of 85155826 is 62855158.

It can be written as a sum of positive squares in only one way, i.e., 84732025 + 423801 = 9205^2 + 651^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 434371 + ... + 434566.

Almost surely, 2^85155826 is an apocalyptic number.

85155826 is a deficient number, since it is larger than the sum of its proper divisors (63432572).

85155826 is a wasteful number, since it uses less digits than its factorization.

85155826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868953 (or 868946 counting only the distinct ones).

The product of its digits is 96000, while the sum is 40.

The square root of 85155826 is about 9227.9914390944. The cubic root of 85155826 is about 439.9514856979.

It can be divided in two parts, 8515 and 5826, that added together give a palindrome (14341).

The spelling of 85155826 in words is "eighty-five million, one hundred fifty-five thousand, eight hundred twenty-six".