858109372 has 6 divisors (see below), whose sum is σ = 1501691408. Its totient is φ = 429054684.

The previous prime is 858109319. The next prime is 858109423. The reversal of 858109372 is 273901858.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107263668 + ... + 107263675.

Almost surely, 2^858109372 is an apocalyptic number.

It is an amenable number.

858109372 is a deficient number, since it is larger than the sum of its proper divisors (643582036).

858109372 is a wasteful number, since it uses less digits than its factorization.

858109372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214527347 (or 214527345 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 858109372 is about 29293.5039215182. The cubic root of 858109372 is about 950.2711587915.

The spelling of 858109372 in words is "eight hundred fifty-eight million, one hundred nine thousand, three hundred seventy-two".