85051156 has 6 divisors (see below), whose sum is σ = 148839530. Its totient is φ = 42525576.

The previous prime is 85051147. The next prime is 85051157. The reversal of 85051156 is 65115058.

It can be written as a sum of positive squares in only one way, i.e., 45562500 + 39488656 = 6750^2 + 6284^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85051157) by changing a digit.

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 as a sum of consecutive naturals, namely, 10631391 + ... + 10631398.

Almost surely, 2^85051156 is an apocalyptic number.

It is an amenable number.

85051156 is a deficient number, since it is larger than the sum of its proper divisors (63788374).

85051156 is a wasteful number, since it uses less digits than its factorization.

85051156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21262793 (or 21262791 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 31.

The square root of 85051156 is about 9222.3183636220. The cubic root of 85051156 is about 439.7711551026.

The spelling of 85051156 in words is "eighty-five million, fifty-one thousand, one hundred fifty-six".