867158883987 has 48 divisors (see below), whose sum is σ = 1298340126720. Its totient is φ = 514201409920.

The previous prime is 867158883971. The next prime is 867158883991. The reversal of 867158883987 is 789388851768.

It is not a de Polignac number, because 867158883987 - 2⁴ = 867158883971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (867158883917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69483214 + ... + 69495692.

It is an arithmetic number, because the mean of its divisors is an integer number (27048752640).

Almost surely, 2^867158883987 is an apocalyptic number.

867158883987 is a deficient number, since it is larger than the sum of its proper divisors (431181242733).

867158883987 is a wasteful number, since it uses less digits than its factorization.

867158883987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16624 (or 16613 counting only the distinct ones).

The product of its digits is 1300561920, while the sum is 78.

The spelling of 867158883987 in words is "eight hundred sixty-seven billion, one hundred fifty-eight million, eight hundred eighty-three thousand, nine hundred eighty-seven".