85646901 has 8 divisors (see below), whose sum is σ = 120913344. Its totient is φ = 53739200.

The previous prime is 85646879. The next prime is 85646903. The reversal of 85646901 is 10964658.

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 85646901 - 2⁹ = 85646389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85646901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85646903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 839625 + ... + 839726.

It is an arithmetic number, because the mean of its divisors is an integer number (15114168).

Almost surely, 2^85646901 is an apocalyptic number.

It is an amenable number.

85646901 is a deficient number, since it is larger than the sum of its proper divisors (35266443).

85646901 is a wasteful number, since it uses less digits than its factorization.

85646901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679371.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 85646901 is about 9254.5610916996. The cubic root of 85646901 is about 440.7955665187.

The spelling of 85646901 in words is "eighty-five million, six hundred forty-six thousand, nine hundred one".