85464846458 has 4 divisors (see below), whose sum is σ = 128197269690. Its totient is φ = 42732423228.

The previous prime is 85464846457. The next prime is 85464846569.

85464846458 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in only one way, i.e., 83109394369 + 2355452089 = 288287^2 + 48533^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 85464846458.

It is not an unprimeable number, because it can be changed into a prime (85464846457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21366211613 + ... + 21366211616.

Almost surely, 2^85464846458 is an apocalyptic number.

85464846458 is a deficient number, since it is larger than the sum of its proper divisors (42732423232).

85464846458 is a wasteful number, since it uses less digits than its factorization.

85464846458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42732423231.

The product of its digits is 117964800, while the sum is 62.

The spelling of 85464846458 in words is "eighty-five billion, four hundred sixty-four million, eight hundred forty-six thousand, four hundred fifty-eight".