858480589877 has 4 divisors (see below), whose sum is σ = 858699761676. Its totient is φ = 858261418080.

The previous prime is 858480589861. The next prime is 858480589919. The reversal of 858480589877 is 778985084858.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 633601672081 + 224878917796 = 795991^2 + 474214^2 .

It is a cyclic number.

It is not a de Polignac number, because 858480589877 - 2⁴ = 858480589861 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 858480589798 and 858480589807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (858480589807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109580024 + ... + 109587857.

It is an arithmetic number, because the mean of its divisors is an integer number (214674940419).

Almost surely, 2^858480589877 is an apocalyptic number.

It is an amenable number.

858480589877 is a deficient number, since it is larger than the sum of its proper divisors (219171799).

858480589877 is a wasteful number, since it uses less digits than its factorization.

858480589877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219171798.

The product of its (nonzero) digits is 1445068800, while the sum is 77.

The spelling of 858480589877 in words is "eight hundred fifty-eight billion, four hundred eighty million, five hundred eighty-nine thousand, eight hundred seventy-seven".