85390697 has 16 divisors (see below), whose sum is σ = 102435840. Its totient is φ = 69595152.

The previous prime is 85390691. The next prime is 85390699. The reversal of 85390697 is 79609358.

It is a cyclic number.

It is not a de Polignac number, because 85390697 - 2⁸ = 85390441 is a prime.

It is a super-2 number, since 2×85390697² = 14583142268291618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85390691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27338 + ... + 30300.

It is an arithmetic number, because the mean of its divisors is an integer number (6402240).

Almost surely, 2^85390697 is an apocalyptic number.

It is an amenable number.

85390697 is a deficient number, since it is larger than the sum of its proper divisors (17045143).

85390697 is a wasteful number, since it uses less digits than its factorization.

85390697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 85390697 is about 9240.7086849440. The cubic root of 85390697 is about 440.3555958044.

The spelling of 85390697 in words is "eighty-five million, three hundred ninety thousand, six hundred ninety-seven".