85475457458 has 8 divisors (see below), whose sum is σ = 129482623980. Its totient is φ = 42314582800.

The previous prime is 85475457449. The next prime is 85475457467.

85475457458 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (85475457449) and next prime (85475457467).

It can be written as a sum of positive squares in 2 ways, for example, as 80005819609 + 5469637849 = 282853^2 + 73957^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 85475457458.

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, 211572713 + ... + 211573116.

Almost surely, 2^85475457458 is an apocalyptic number.

85475457458 is a deficient number, since it is larger than the sum of its proper divisors (44007166522).

85475457458 is a wasteful number, since it uses less digits than its factorization.

85475457458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423145932.

The product of its digits is 125440000, while the sum is 62.

The spelling of 85475457458 in words is "eighty-five billion, four hundred seventy-five million, four hundred fifty-seven thousand, four hundred fifty-eight".