863376538 has 16 divisors (see below), whose sum is σ = 1305924480. Its totient is φ = 428076000.

The previous prime is 863376523. The next prime is 863376557. The reversal of 863376538 is 835673368.

It is a happy number.

863376538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 863376491 and 863376500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366063 + ... + 368413.

It is an arithmetic number, because the mean of its divisors is an integer number (81620280).

Almost surely, 2^863376538 is an apocalyptic number.

863376538 is a deficient number, since it is larger than the sum of its proper divisors (442547942).

863376538 is a wasteful number, since it uses less digits than its factorization.

863376538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813.

The product of its digits is 2177280, while the sum is 49.

The square root of 863376538 is about 29383.2696955257. The cubic root of 863376538 is about 952.2114824814.

The spelling of 863376538 in words is "eight hundred sixty-three million, three hundred seventy-six thousand, five hundred thirty-eight".