85468634 has 4 divisors (see below), whose sum is σ = 128202954. Its totient is φ = 42734316.

The previous prime is 85468633. The next prime is 85468637. The reversal of 85468634 is 43686458.

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., 50623225 + 34845409 = 7115^2 + 5903^2 .

It is not an unprimeable number, because it can be changed into a prime (85468633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21367157 + ... + 21367160.

Almost surely, 2^85468634 is an apocalyptic number.

85468634 is a deficient number, since it is larger than the sum of its proper divisors (42734320).

85468634 is a wasteful number, since it uses less digits than its factorization.

85468634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42734319.

The product of its digits is 552960, while the sum is 44.

The square root of 85468634 is about 9244.9247698399. The cubic root of 85468634 is about 440.4895274822.

The spelling of 85468634 in words is "eighty-five million, four hundred sixty-eight thousand, six hundred thirty-four".