80886865695305 has 16 divisors (see below), whose sum is σ = 97292248939200. Its totient is φ = 64557593759808.

The previous prime is 80886865695277. The next prime is 80886865695319. The reversal of 80886865695305 is 50359656868808.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80886865695305 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 748655 + ... + 12741044.

It is an arithmetic number, because the mean of its divisors is an integer number (6080765558700).

Almost surely, 2^{80886865695305} is an apocalyptic number.

It is an amenable number.

80886865695305 is a deficient number, since it is larger than the sum of its proper divisors (16405383243895).

80886865695305 is a wasteful number, since it uses less digits than its factorization.

80886865695305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13492520.

The product of its (nonzero) digits is 2985984000, while the sum is 77.

The spelling of 80886865695305 in words is "eighty trillion, eight hundred eighty-six billion, eight hundred sixty-five million, six hundred ninety-five thousand, three hundred five".