867536042 has 4 divisors (see below), whose sum is σ = 1301304066. Its totient is φ = 433768020.

The previous prime is 867536039. The next prime is 867536099. The reversal of 867536042 is 240635768.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 841638121 + 25897921 = 29011^2 + 5089^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216884009 + ... + 216884012.

Almost surely, 2^867536042 is an apocalyptic number.

867536042 is a deficient number, since it is larger than the sum of its proper divisors (433768024).

867536042 is a wasteful number, since it uses less digits than its factorization.

867536042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433768023.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 867536042 is about 29453.9647925368. The cubic root of 867536042 is about 953.7381952233.

The spelling of 867536042 in words is "eight hundred sixty-seven million, five hundred thirty-six thousand, forty-two".