80899097667 has 16 divisors (see below), whose sum is σ = 114265523232. Its totient is φ = 50735759360.

The previous prime is 80899097651. The next prime is 80899097677. The reversal of 80899097667 is 76679099808.

It is a cyclic number.

It is not a de Polignac number, because 80899097667 - 2⁴ = 80899097651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80899097677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274998 + ... + 487259.

It is an arithmetic number, because the mean of its divisors is an integer number (7141595202).

Almost surely, 2^80899097667 is an apocalyptic number.

80899097667 is a deficient number, since it is larger than the sum of its proper divisors (33366425565).

80899097667 is a wasteful number, since it uses less digits than its factorization.

80899097667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764358.

The product of its (nonzero) digits is 82301184, while the sum is 69.

The spelling of 80899097667 in words is "eighty billion, eight hundred ninety-nine million, ninety-seven thousand, six hundred sixty-seven".