85080663779 has 8 divisors (see below), whose sum is σ = 86873211072. Its totient is φ = 83295051840.

The previous prime is 85080663757. The next prime is 85080663859. The reversal of 85080663779 is 97736608058.

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 85080663779 - 2³⁶ = 16361187043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85080660779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1709042 + ... + 1758119.

It is an arithmetic number, because the mean of its divisors is an integer number (10859151384).

Almost surely, 2^85080663779 is an apocalyptic number.

85080663779 is a deficient number, since it is larger than the sum of its proper divisors (1792547293).

85080663779 is a wasteful number, since it uses less digits than its factorization.

85080663779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3467677.

The product of its (nonzero) digits is 15240960, while the sum is 59.

The spelling of 85080663779 in words is "eighty-five billion, eighty million, six hundred sixty-three thousand, seven hundred seventy-nine".