80898943539456 has 405 divisors, whose sum is σ = 280641301761051. Its totient is φ = 23111393485824.

The previous prime is 80898943539437. The next prime is 80898943539499. The reversal of 80898943539456 is 65493534989808.

The square root of 80898943539456 is 8994384.

It is a perfect power (a square), and thus also a powerful number.

80898943539456 is a `hidden beast` number, since 8 + 0 + 8 + 98 + 9 + 43 + 5 + 39 + 456 = 666.

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 44 ways as a sum of consecutive naturals, for example, 9066334611 + ... + 9066343533.

Almost surely, 2^{80898943539456} is an apocalyptic number.

80898943539456 is the 8994384-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80898943539456

80898943539456 is an abundant number, since it is smaller than the sum of its proper divisors (199742358221595).

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

80898943539456 is an frugal number, since it uses more digits than its factorization.

80898943539456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17888 (or 8935 counting only the distinct ones).

The product of its (nonzero) digits is 8062156800, while the sum is 81.

80898943539456 divided by its sum of digits (81) gives a square (998752389376 = 999376²).

The spelling of 80898943539456 in words is "eighty trillion, eight hundred ninety-eight billion, nine hundred forty-three million, five hundred thirty-nine thousand, four hundred fifty-six".