867902863 has 4 divisors (see below), whose sum is σ = 878359608. Its totient is φ = 857446120.

The previous prime is 867902857. The next prime is 867902869. The reversal of 867902863 is 368209768.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (867902857) and next prime (867902869).

It is a cyclic number.

It is not a de Polignac number, because 867902863 - 2⁵ = 867902831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867902869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5228248 + ... + 5228413.

It is an arithmetic number, because the mean of its divisors is an integer number (219589902).

Almost surely, 2^867902863 is an apocalyptic number.

867902863 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

867902863 is a deficient number, since it is larger than the sum of its proper divisors (10456745).

867902863 is a wasteful number, since it uses less digits than its factorization.

867902863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10456744.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 867902863 is about 29460.1911568815. The cubic root of 867902863 is about 953.8725995915.

The spelling of 867902863 in words is "eight hundred sixty-seven million, nine hundred two thousand, eight hundred sixty-three".