85320365 has 16 divisors (see below), whose sum is σ = 116747568. Its totient is φ = 59298816.

The previous prime is 85320353. The next prime is 85320377. The reversal of 85320365 is 56302358.

It is an interprime number because it is at equal distance from previous prime (85320353) and next prime (85320377).

It can be written as a sum of positive squares in 8 ways, for example, as 3200521 + 82119844 = 1789^2 + 9062^2 .

It is a cyclic number.

It is not a de Polignac number, because 85320365 - 2²² = 81126061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37502 + ... + 39711.

It is an arithmetic number, because the mean of its divisors is an integer number (7296723).

Almost surely, 2^85320365 is an apocalyptic number.

85320365 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

85320365 is a deficient number, since it is larger than the sum of its proper divisors (31427203).

85320365 is a wasteful number, since it uses less digits than its factorization.

85320365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77248.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 85320365 is about 9236.9023487314. The cubic root of 85320365 is about 440.2346630492.

The spelling of 85320365 in words is "eighty-five million, three hundred twenty thousand, three hundred sixty-five".