85694977 has 8 divisors (see below), whose sum is σ = 90848736. Its totient is φ = 80553792.

The previous prime is 85694969. The next prime is 85694981. The reversal of 85694977 is 77949658.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85694977 - 2³ = 85694969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85634977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13438 + ... + 18760.

It is an arithmetic number, because the mean of its divisors is an integer number (11356092).

Almost surely, 2^85694977 is an apocalyptic number.

It is an amenable number.

85694977 is a deficient number, since it is larger than the sum of its proper divisors (5153759).

85694977 is a wasteful number, since it uses less digits than its factorization.

85694977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6287.

The product of its digits is 3810240, while the sum is 55.

The square root of 85694977 is about 9257.1581492378. The cubic root of 85694977 is about 440.8780280496.

The spelling of 85694977 in words is "eighty-five million, six hundred ninety-four thousand, nine hundred seventy-seven".