858070081 has 8 divisors (see below), whose sum is σ = 936800928. Its totient is φ = 779460000.

The previous prime is 858070069. The next prime is 858070097. The reversal of 858070081 is 180070858.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 858070081 - 2¹¹ = 858068033 is a prime.

It is a super-2 number, since 2×858070081² = 1472568527814693122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 858070081.

It is not an unprimeable number, because it can be changed into a prime (858070021) 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, 14995 + ... + 44056.

It is an arithmetic number, because the mean of its divisors is an integer number (117100116).

Almost surely, 2^858070081 is an apocalyptic number.

It is an amenable number.

858070081 is a deficient number, since it is larger than the sum of its proper divisors (78730847).

858070081 is a wasteful number, since it uses less digits than its factorization.

858070081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60383.

The product of its (nonzero) digits is 17920, while the sum is 37.

The square root of 858070081 is about 29292.8332702728. The cubic root of 858070081 is about 950.2566549395.

The spelling of 858070081 in words is "eight hundred fifty-eight million, seventy thousand, eighty-one".