85776679 has 8 divisors (see below), whose sum is σ = 92067840. Its totient is φ = 79623936.

The previous prime is 85776673. The next prime is 85776731. The reversal of 85776679 is 97667758.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85776679 - 2⁹ = 85776167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85776673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33319 + ... + 35800.

It is an arithmetic number, because the mean of its divisors is an integer number (11508480).

Almost surely, 2^85776679 is an apocalyptic number.

85776679 is a deficient number, since it is larger than the sum of its proper divisors (6291161).

85776679 is a wasteful number, since it uses less digits than its factorization.

85776679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69209.

The product of its digits is 4445280, while the sum is 55.

The square root of 85776679 is about 9261.5700072936. The cubic root of 85776679 is about 441.0180952840.

The spelling of 85776679 in words is "eighty-five million, seven hundred seventy-six thousand, six hundred seventy-nine".