85434697 has 4 divisors (see below), whose sum is σ = 89931280. Its totient is φ = 80938116.

The previous prime is 85434691. The next prime is 85434703. The reversal of 85434697 is 79643458.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (85434691) and next prime (85434703).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85434697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85434691) 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, 2248263 + ... + 2248300.

It is an arithmetic number, because the mean of its divisors is an integer number (22482820).

Almost surely, 2^85434697 is an apocalyptic number.

85434697 is the 5337-th hex number.

It is an amenable number.

85434697 is a deficient number, since it is larger than the sum of its proper divisors (4496583).

85434697 is a wasteful number, since it uses less digits than its factorization.

85434697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496582.

The product of its digits is 725760, while the sum is 46.

The square root of 85434697 is about 9243.0891481149. The cubic root of 85434697 is about 440.4312180907.

The spelling of 85434697 in words is "eighty-five million, four hundred thirty-four thousand, six hundred ninety-seven".