867097042 has 24 divisors (see below), whose sum is σ = 1565173260. Its totient is φ = 358797600.

The previous prime is 867097037. The next prime is 867097081. The reversal of 867097042 is 240790768.

It can be written as a sum of positive squares in 2 ways, for example, as 785176441 + 81920601 = 28021^2 + 9051^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 867097042.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149709 + ... + 155392.

Almost surely, 2^867097042 is an apocalyptic number.

867097042 is a deficient number, since it is larger than the sum of its proper divisors (698076218).

867097042 is a wasteful number, since it uses less digits than its factorization.

867097042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305146 (or 305139 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 867097042 is about 29446.5115421165. The cubic root of 867097042 is about 953.5772944304.

The spelling of 867097042 in words is "eight hundred sixty-seven million, ninety-seven thousand, forty-two".