858011742 has 24 divisors (see below), whose sum is σ = 2124600816. Its totient is φ = 245146176.

The previous prime is 858011741. The next prime is 858011761. The reversal of 858011742 is 247110858.

858011742 is a `hidden beast` number, since 8 + 580 + 1 + 1 + 74 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 858011697 and 858011706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (858011741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3404683 + ... + 3404934.

It is an arithmetic number, because the mean of its divisors is an integer number (88525034).

Almost surely, 2^858011742 is an apocalyptic number.

858011742 is an abundant number, since it is smaller than the sum of its proper divisors (1266589074).

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

858011742 is a wasteful number, since it uses less digits than its factorization.

858011742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6809632 (or 6809629 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 858011742 is about 29291.8374637031. The cubic root of 858011742 is about 950.2351189054.

The spelling of 858011742 in words is "eight hundred fifty-eight million, eleven thousand, seven hundred forty-two".