85797453 has 48 divisors (see below), whose sum is σ = 141622784. Its totient is φ = 45239040.

The previous prime is 85797443. The next prime is 85797463. The reversal of 85797453 is 35479758.

It is an interprime number because it is at equal distance from previous prime (85797443) and next prime (85797463).

It is not a de Polignac number, because 85797453 - 2⁵ = 85797421 is a prime.

It is a super-2 number, since 2×85797453² = 14722405882574418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85797403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 406518 + ... + 406728.

Almost surely, 2^85797453 is an apocalyptic number.

It is an amenable number.

85797453 is a deficient number, since it is larger than the sum of its proper divisors (55825331).

85797453 is a wasteful number, since it uses less digits than its factorization.

85797453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 305 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 48.

The square root of 85797453 is about 9262.6914555112. The cubic root of 85797453 is about 441.0536953659.

The spelling of 85797453 in words is "eighty-five million, seven hundred ninety-seven thousand, four hundred fifty-three".