85437273458 has 64 divisors (see below), whose sum is σ = 134405671680. Its totient is φ = 40701696000.

The previous prime is 85437273451. The next prime is 85437273469.

85437273458 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (85437273451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 317610548 + ... + 317610816.

It is an arithmetic number, because the mean of its divisors is an integer number (2100088620).

Almost surely, 2^85437273458 is an apocalyptic number.

85437273458 is a deficient number, since it is larger than the sum of its proper divisors (48968398222).

85437273458 is a wasteful number, since it uses less digits than its factorization.

85437273458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803.

The product of its digits is 22579200, while the sum is 56.

The spelling of 85437273458 in words is "eighty-five billion, four hundred thirty-seven million, two hundred seventy-three thousand, four hundred fifty-eight".