85224699 has 12 divisors (see below), whose sum is σ = 140688496. Its totient is φ = 48699792.

The previous prime is 85224679. The next prime is 85224701. The reversal of 85224699 is 99642258.

It is not a de Polignac number, because 85224699 - 2⁷ = 85224571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85224679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 676324 + ... + 676449.

Almost surely, 2^85224699 is an apocalyptic number.

85224699 is a deficient number, since it is larger than the sum of its proper divisors (55463797).

85224699 is a wasteful number, since it uses less digits than its factorization.

85224699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352786 (or 1352783 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 85224699 is about 9231.7224286695. The cubic root of 85224699 is about 440.0700628788.

The spelling of 85224699 in words is "eighty-five million, two hundred twenty-four thousand, six hundred ninety-nine".