868958142 has 16 divisors (see below), whose sum is σ = 1871602320. Its totient is φ = 267371712.

The previous prime is 868958113. The next prime is 868958143. The reversal of 868958142 is 241859868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868958143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5570167 + ... + 5570322.

It is an arithmetic number, because the mean of its divisors is an integer number (116975145).

Almost surely, 2^868958142 is an apocalyptic number.

868958142 is an abundant number, since it is smaller than the sum of its proper divisors (1002644178).

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

868958142 is a wasteful number, since it uses less digits than its factorization.

868958142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11140507.

The product of its digits is 1105920, while the sum is 51.

The square root of 868958142 is about 29478.0959697196. The cubic root of 868958142 is about 954.2590460734.

The spelling of 868958142 in words is "eight hundred sixty-eight million, nine hundred fifty-eight thousand, one hundred forty-two".