858491196304 has 45 divisors (see below), whose sum is σ = 1934948708091. Its totient is φ = 367913679840.

The previous prime is 858491196293. The next prime is 858491196313. The reversal of 858491196304 is 403691194858.

The square root of 858491196304 is 926548.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 25926799 + ... + 25959889.

Almost surely, 2^858491196304 is an apocalyptic number.

858491196304 is the 926548-th square number.

It is an amenable number.

858491196304 is an abundant number, since it is smaller than the sum of its proper divisors (1076457511787).

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

858491196304 is an frugal number, since it uses more digits than its factorization.

858491196304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66204 (or 33100 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 58.

The spelling of 858491196304 in words is "eight hundred fifty-eight billion, four hundred ninety-one million, one hundred ninety-six thousand, three hundred four".