85436663458 has 8 divisors (see below), whose sum is σ = 128895776028. Its totient is φ = 42471404784.

The previous prime is 85436663399. The next prime is 85436663471.

85436663458 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 85289113849 + 147549609 = 292043^2 + 12147^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123463041 + ... + 123463732.

Almost surely, 2^85436663458 is an apocalyptic number.

85436663458 is a deficient number, since it is larger than the sum of its proper divisors (43459112570).

85436663458 is a wasteful number, since it uses less digits than its factorization.

85436663458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246926948.

The product of its digits is 49766400, while the sum is 58.

The spelling of 85436663458 in words is "eighty-five billion, four hundred thirty-six million, six hundred sixty-three thousand, four hundred fifty-eight".