867957042 has 16 divisors (see below), whose sum is σ = 1757888640. Its totient is φ = 285656592.

The previous prime is 867957023. The next prime is 867957113. The reversal of 867957042 is 240759768.

It is a junction number, because it is equal to n+sod(n) for n = 867956982 and 867957000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 915093 + ... + 916040.

It is an arithmetic number, because the mean of its divisors is an integer number (109868040).

Almost surely, 2^867957042 is an apocalyptic number.

867957042 is an abundant number, since it is smaller than the sum of its proper divisors (889931598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

867957042 is a wasteful number, since it uses less digits than its factorization.

867957042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831217.

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 867957042 is about 29461.1106715276. The cubic root of 867957042 is about 953.8924477375.

The spelling of 867957042 in words is "eight hundred sixty-seven million, nine hundred fifty-seven thousand, forty-two".