85438083458 has 16 divisors (see below), whose sum is σ = 157731846720. Its totient is φ = 33799681296.

The previous prime is 85438083443. The next prime is 85438083473.

It is a happy number.

85438083458 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (85438083443) and next prime (85438083473).

It is a super-2 number, since 2×85438083458² (a number of 23 digits) contains 22 as substring.

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, 234719828 + ... + 234720191.

It is an arithmetic number, because the mean of its divisors is an integer number (9858240420).

Almost surely, 2^85438083458 is an apocalyptic number.

85438083458 is a deficient number, since it is larger than the sum of its proper divisors (72293763262).

85438083458 is a wasteful number, since it uses less digits than its factorization.

85438083458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469440041.

The product of its (nonzero) digits is 14745600, while the sum is 56.

The spelling of 85438083458 in words is "eighty-five billion, four hundred thirty-eight million, eighty-three thousand, four hundred fifty-eight".