85156479 has 6 divisors (see below), whose sum is σ = 123003816. Its totient is φ = 56770980.

The previous prime is 85156459. The next prime is 85156481. The reversal of 85156479 is 97465158.

85156479 is a `hidden beast` number, since 8 + 515 + 64 + 79 = 666.

It is not a de Polignac number, because 85156479 - 2⁵ = 85156447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85156439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4730907 + ... + 4730924.

It is an arithmetic number, because the mean of its divisors is an integer number (20500636).

Almost surely, 2^85156479 is an apocalyptic number.

85156479 is a deficient number, since it is larger than the sum of its proper divisors (37847337).

85156479 is a wasteful number, since it uses less digits than its factorization.

85156479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9461837 (or 9461834 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 85156479 is about 9228.0268205072. The cubic root of 85156479 is about 439.9526102542.

The spelling of 85156479 in words is "eighty-five million, one hundred fifty-six thousand, four hundred seventy-nine".