80897744355 has 16 divisors (see below), whose sum is σ = 131878588320. Its totient is φ = 42331397888.

The previous prime is 80897744299. The next prime is 80897744363. The reversal of 80897744355 is 55344779808.

It is a cyclic number.

It is not a de Polignac number, because 80897744355 - 2¹¹ = 80897742307 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, 50878290 + ... + 50879879.

It is an arithmetic number, because the mean of its divisors is an integer number (8242411770).

Almost surely, 2^80897744355 is an apocalyptic number.

80897744355 is a deficient number, since it is larger than the sum of its proper divisors (50980843965).

80897744355 is a wasteful number, since it uses less digits than its factorization.

80897744355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101758230.

The product of its (nonzero) digits is 33868800, while the sum is 60.

The spelling of 80897744355 in words is "eighty billion, eight hundred ninety-seven million, seven hundred forty-four thousand, three hundred fifty-five".