85433797 has 4 divisors (see below), whose sum is σ = 88379820. Its totient is φ = 82487776.

The previous prime is 85433783. The next prime is 85433807. The reversal of 85433797 is 79733458.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39614436 + 45819361 = 6294^2 + 6769^2 .

It is a cyclic number.

It is not a de Polignac number, because 85433797 - 2⁷ = 85433669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85433767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1472968 + ... + 1473025.

It is an arithmetic number, because the mean of its divisors is an integer number (22094955).

Almost surely, 2^85433797 is an apocalyptic number.

It is an amenable number.

85433797 is a deficient number, since it is larger than the sum of its proper divisors (2946023).

85433797 is a wasteful number, since it uses less digits than its factorization.

85433797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2946022.

The product of its digits is 635040, while the sum is 46.

The square root of 85433797 is about 9243.0404629646. The cubic root of 85433797 is about 440.4296715314.

The spelling of 85433797 in words is "eighty-five million, four hundred thirty-three thousand, seven hundred ninety-seven".