85379565 has 32 divisors (see below), whose sum is σ = 144919296. Its totient is φ = 42831360.

The previous prime is 85379551. The next prime is 85379587. The reversal of 85379565 is 56597358.

It is not a de Polignac number, because 85379565 - 2⁶ = 85379501 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19017 + ... + 23073.

It is an arithmetic number, because the mean of its divisors is an integer number (4528728).

Almost surely, 2^85379565 is an apocalyptic number.

It is an amenable number.

85379565 is a deficient number, since it is larger than the sum of its proper divisors (59539731).

85379565 is a wasteful number, since it uses less digits than its factorization.

85379565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4149.

The product of its digits is 1134000, while the sum is 48.

The square root of 85379565 is about 9240.1063305570. The cubic root of 85379565 is about 440.3364592485.

The spelling of 85379565 in words is "eighty-five million, three hundred seventy-nine thousand, five hundred sixty-five".