85346789 has 8 divisors (see below), whose sum is σ = 95376960. Its totient is φ = 75695200.

The previous prime is 85346773. The next prime is 85346791. The reversal of 85346789 is 98764358.

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

It is a cyclic number.

It is not a de Polignac number, because 85346789 - 2⁴ = 85346773 is a prime.

It is a super-2 number, since 2×85346789² = 14568148785221042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85346389) 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 7 ways as a sum of consecutive naturals, for example, 94169 + ... + 95070.

It is an arithmetic number, because the mean of its divisors is an integer number (11922120).

Almost surely, 2^85346789 is an apocalyptic number.

It is an amenable number.

85346789 is a deficient number, since it is larger than the sum of its proper divisors (10030171).

85346789 is a wasteful number, since it uses less digits than its factorization.

85346789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189291.

The product of its digits is 1451520, while the sum is 50.

The square root of 85346789 is about 9238.3325876481. The cubic root of 85346789 is about 440.2801057367.

Subtracting 85346789 from its reverse (98764358), we obtain a square (13417569 = 3663²).

The spelling of 85346789 in words is "eighty-five million, three hundred forty-six thousand, seven hundred eighty-nine".