85366379509349 has 8 divisors (see below), whose sum is σ = 85404943890720. Its totient is φ = 85327823826000.

The previous prime is 85366379509337. The next prime is 85366379509357. The reversal of 85366379509349 is 94390597366358.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85366379509349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85366379509349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85366379589349) 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, 17499014 + ... + 21839144.

It is an arithmetic number, because the mean of its divisors is an integer number (10675617986340).

Almost surely, 2^{85366379509349} is an apocalyptic number.

It is an amenable number.

85366379509349 is a deficient number, since it is larger than the sum of its proper divisors (38564381371).

85366379509349 is a wasteful number, since it uses less digits than its factorization.

85366379509349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4349011.

The product of its (nonzero) digits is 3968092800, while the sum is 77.

The spelling of 85366379509349 in words is "eighty-five trillion, three hundred sixty-six billion, three hundred seventy-nine million, five hundred nine thousand, three hundred forty-nine".