85017802 has 4 divisors (see below), whose sum is σ = 127526706. Its totient is φ = 42508900.

The previous prime is 85017787. The next prime is 85017809. The reversal of 85017802 is 20871058.

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., 79584241 + 5433561 = 8921^2 + 2331^2 .

It is a super-2 number, since 2×85017802² = 14456053313822408, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (85017809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21254449 + ... + 21254452.

Almost surely, 2^85017802 is an apocalyptic number.

85017802 is a deficient number, since it is larger than the sum of its proper divisors (42508904).

85017802 is a wasteful number, since it uses less digits than its factorization.

85017802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42508903.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 85017802 is about 9220.5098557509. The cubic root of 85017802 is about 439.7136601170.

The spelling of 85017802 in words is "eighty-five million, seventeen thousand, eight hundred two".