80899453357668 has 60 divisors (see below), whose sum is σ = 230713255882032. Its totient is φ = 24514985864880.

The previous prime is 80899453357637. The next prime is 80899453357741. The reversal of 80899453357668 is 86675335499808.

80899453357668 is a `hidden beast` number, since 8 + 0 + 8 + 9 + 9 + 4 + 5 + 33 + 576 + 6 + 8 = 666.

80899453357668 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11349526930 + ... + 11349534057.

Almost surely, 2^{80899453357668} is an apocalyptic number.

It is an amenable number.

80899453357668 is an abundant number, since it is smaller than the sum of its proper divisors (149813802524364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80899453357668 is a wasteful number, since it uses less digits than its factorization.

80899453357668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22699061014 (or 22699061003 counting only the distinct ones).

The product of its (nonzero) digits is 9405849600, while the sum is 81.

The spelling of 80899453357668 in words is "eighty trillion, eight hundred ninety-nine billion, four hundred fifty-three million, three hundred fifty-seven thousand, six hundred sixty-eight".