85686476 has 6 divisors (see below), whose sum is σ = 149951340. Its totient is φ = 42843236.

The previous prime is 85686439. The next prime is 85686493. The reversal of 85686476 is 67468658.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10710806 + ... + 10710813.

It is an arithmetic number, because the mean of its divisors is an integer number (24991890).

Almost surely, 2^85686476 is an apocalyptic number.

It is an amenable number.

85686476 is a deficient number, since it is larger than the sum of its proper divisors (64264864).

85686476 is a wasteful number, since it uses less digits than its factorization.

85686476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21421623 (or 21421621 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 50.

The square root of 85686476 is about 9256.6989796579. The cubic root of 85686476 is about 440.8634491008.

The spelling of 85686476 in words is "eighty-five million, six hundred eighty-six thousand, four hundred seventy-six".