820096686 has 24 divisors (see below), whose sum is σ = 1777416264. Its totient is φ = 273282480.

The previous prime is 820096663. The next prime is 820096691. The reversal of 820096686 is 686690028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92625 + ... + 101091.

It is an arithmetic number, because the mean of its divisors is an integer number (74059011).

Almost surely, 2^820096686 is an apocalyptic number.

820096686 is an abundant number, since it is smaller than the sum of its proper divisors (957319578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

820096686 is a wasteful number, since it uses less digits than its factorization.

820096686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13856 (or 13853 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 820096686 is about 28637.3302875809. The cubic root of 820096686 is about 936.0269483256.

The spelling of 820096686 in words is "eight hundred twenty million, ninety-six thousand, six hundred eighty-six".