854979979458 has 16 divisors (see below), whose sum is σ = 1865410864416. Its totient is φ = 259084842240.

The previous prime is 854979979417. The next prime is 854979979493.

It is a happy number.

854979979458 is nontrivially palindromic in base 10.

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, 6477120991 + ... + 6477121122.

It is an arithmetic number, because the mean of its divisors is an integer number (116588179026).

Almost surely, 2^854979979458 is an apocalyptic number.

854979979458 is an abundant number, since it is smaller than the sum of its proper divisors (1010430884958).

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

854979979458 is a wasteful number, since it uses less digits than its factorization.

854979979458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12954242129.

The product of its digits is 8230118400, while the sum is 84.

The spelling of 854979979458 in words is "eight hundred fifty-four billion, nine hundred seventy-nine million, nine hundred seventy-nine thousand, four hundred fifty-eight".