85150810 has 8 divisors (see below), whose sum is σ = 153271476. Its totient is φ = 34060320.

The previous prime is 85150789. The next prime is 85150823. The reversal of 85150810 is 1805158.

It can be written as a sum of positive squares in 2 ways, for example, as 84879369 + 271441 = 9213^2 + 521^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×85150810² = 14501320887312200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4257531 + ... + 4257550.

Almost surely, 2^85150810 is an apocalyptic number.

85150810 is a deficient number, since it is larger than the sum of its proper divisors (68120666).

85150810 is a wasteful number, since it uses less digits than its factorization.

85150810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8515088.

The product of its (nonzero) digits is 1600, while the sum is 28.

The square root of 85150810 is about 9227.7196533055. The cubic root of 85150810 is about 439.9428472598.

Adding to 85150810 its reverse (1805158), we get a palindrome (86955968).

The spelling of 85150810 in words is "eighty-five million, one hundred fifty thousand, eight hundred ten".