85686424435 has 32 divisors (see below), whose sum is σ = 106308702720. Its totient is φ = 66260291328.

The previous prime is 85686424387. The next prime is 85686424469. The reversal of 85686424435 is 53442468658.

It is a cyclic number.

It is not a de Polignac number, because 85686424435 - 2¹⁵ = 85686391667 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41016871 + ... + 41018959.

It is an arithmetic number, because the mean of its divisors is an integer number (3322146960).

Almost surely, 2^85686424435 is an apocalyptic number.

85686424435 is a deficient number, since it is larger than the sum of its proper divisors (20622278285).

85686424435 is a wasteful number, since it uses less digits than its factorization.

85686424435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4027.

The product of its digits is 22118400, while the sum is 55.

The spelling of 85686424435 in words is "eighty-five billion, six hundred eighty-six million, four hundred twenty-four thousand, four hundred thirty-five".