85909395 has 64 divisors (see below), whose sum is σ = 163312128. Its totient is φ = 38332800.

The previous prime is 85909387. The next prime is 85909433. The reversal of 85909395 is 59390958.

It is not a de Polignac number, because 85909395 - 2³ = 85909387 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 259380 + ... + 259710.

It is an arithmetic number, because the mean of its divisors is an integer number (2551752).

Almost surely, 2^85909395 is an apocalyptic number.

85909395 is a deficient number, since it is larger than the sum of its proper divisors (77402733).

85909395 is a wasteful number, since it uses less digits than its factorization.

85909395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 48.

The square root of 85909395 is about 9268.7321139409. The cubic root of 85909395 is about 441.2454297905.

The spelling of 85909395 in words is "eighty-five million, nine hundred nine thousand, three hundred ninety-five".