868780203 has 16 divisors (see below), whose sum is σ = 1169166336. Its totient is φ = 573804000.

The previous prime is 868780183. The next prime is 868780207. The reversal of 868780203 is 302087868.

It is not a de Polignac number, because 868780203 - 2¹³ = 868772011 is a prime.

It is a super-2 number, since 2×868780203² = 1509558082249442418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (868780207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384828 + ... + 387078.

It is an arithmetic number, because the mean of its divisors is an integer number (73072896).

Almost surely, 2^868780203 is an apocalyptic number.

868780203 is a deficient number, since it is larger than the sum of its proper divisors (300386133).

868780203 is a wasteful number, since it uses less digits than its factorization.

868780203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 868780203 is about 29475.0776589308. The cubic root of 868780203 is about 954.1939061917.

The spelling of 868780203 in words is "eight hundred sixty-eight million, seven hundred eighty thousand, two hundred three".