85677393 has 4 divisors (see below), whose sum is σ = 114236528. Its totient is φ = 57118260.

The previous prime is 85677377. The next prime is 85677409. The reversal of 85677393 is 39377658.

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 (85677377) and next prime (85677409).

It is not a de Polignac number, because 85677393 - 2⁴ = 85677377 is a prime.

It is a super-3 number, since 3×85677393³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85677313) 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 3 ways as a sum of consecutive naturals, for example, 14279563 + ... + 14279568.

It is an arithmetic number, because the mean of its divisors is an integer number (28559132).

Almost surely, 2^85677393 is an apocalyptic number.

It is an amenable number.

85677393 is a deficient number, since it is larger than the sum of its proper divisors (28559135).

85677393 is a wasteful number, since it uses less digits than its factorization.

85677393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28559134.

The product of its digits is 952560, while the sum is 48.

The square root of 85677393 is about 9256.2083489947. The cubic root of 85677393 is about 440.8478709746.

The spelling of 85677393 in words is "eighty-five million, six hundred seventy-seven thousand, three hundred ninety-three".