854779977458 has 16 divisors (see below), whose sum is σ = 1459545258816. Its totient is φ = 371643468240.

The previous prime is 854779977433. The next prime is 854779977463.

854779977458 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, 844643741 + ... + 844644752.

It is an arithmetic number, because the mean of its divisors is an integer number (91221578676).

Almost surely, 2^854779977458 is an apocalyptic number.

854779977458 is a deficient number, since it is larger than the sum of its proper divisors (604765281358).

854779977458 is a wasteful number, since it uses less digits than its factorization.

854779977458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689288529.

The product of its digits is 4978713600, while the sum is 80.

The spelling of 854779977458 in words is "eight hundred fifty-four billion, seven hundred seventy-nine million, nine hundred seventy-seven thousand, four hundred fifty-eight".