85863204 has 144 divisors (see below), whose sum is σ = 265574400. Its totient is φ = 22845888.

The previous prime is 85863181. The next prime is 85863227. The reversal of 85863204 is 40236858.

85863204 = T₂₈₁ + T₂₈₂ + ... + T₈₁₂.

It is an interprime number because it is at equal distance from previous prime (85863181) and next prime (85863227).

It is a super-2 number, since 2×85863204² = 14744979602291232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 378139 + ... + 378365.

Almost surely, 2^85863204 is an apocalyptic number.

85863204 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85863204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132787200).

85863204 is an abundant number, since it is smaller than the sum of its proper divisors (179711196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85863204 is a wasteful number, since it uses less digits than its factorization.

85863204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 85863204 is about 9266.2400141589. The cubic root of 85863204 is about 441.1663339726.

The spelling of 85863204 in words is "eighty-five million, eight hundred sixty-three thousand, two hundred four".