80547985663 has 8 divisors (see below), whose sum is σ = 85098386880. Its totient is φ = 76115776800.

The previous prime is 80547985633. The next prime is 80547985681. The reversal of 80547985663 is 36658974508.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80547985663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80547985633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29546688 + ... + 29549413.

It is an arithmetic number, because the mean of its divisors is an integer number (10637298360).

Almost surely, 2^80547985663 is an apocalyptic number.

80547985663 is a deficient number, since it is larger than the sum of its proper divisors (4550401217).

80547985663 is a wasteful number, since it uses less digits than its factorization.

80547985663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59096177.

The product of its (nonzero) digits is 43545600, while the sum is 61.

The spelling of 80547985663 in words is "eighty billion, five hundred forty-seven million, nine hundred eighty-five thousand, six hundred sixty-three".