858112216945 has 8 divisors (see below), whose sum is σ = 1029741961536. Its totient is φ = 686484906096.

The previous prime is 858112216939. The next prime is 858112216957. The reversal of 858112216945 is 549612211858.

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

It is a cyclic number.

It is not a de Polignac number, because 858112216945 - 2⁷ = 858112216817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 858112216892 and 858112216901.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287094 + ... + 1341136.

It is an arithmetic number, because the mean of its divisors is an integer number (128717745192).

Almost surely, 2^858112216945 is an apocalyptic number.

It is an amenable number.

858112216945 is a deficient number, since it is larger than the sum of its proper divisors (171629744591).

858112216945 is a wasteful number, since it uses less digits than its factorization.

858112216945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216871.

The product of its digits is 1382400, while the sum is 52.

The spelling of 858112216945 in words is "eight hundred fifty-eight billion, one hundred twelve million, two hundred sixteen thousand, nine hundred forty-five".