80365898947 has 8 divisors (see below), whose sum is σ = 80565964416. Its totient is φ = 80166082752.

The previous prime is 80365898941. The next prime is 80365898993. The reversal of 80365898947 is 74989856308.

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

It is a cyclic number.

It is not a de Polignac number, because 80365898947 - 2³ = 80365898939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80365898941) 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, 591783 + ... + 714799.

It is an arithmetic number, because the mean of its divisors is an integer number (10070745552).

Almost surely, 2^80365898947 is an apocalyptic number.

80365898947 is a deficient number, since it is larger than the sum of its proper divisors (200065469).

80365898947 is a wasteful number, since it uses less digits than its factorization.

80365898947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124637.

The product of its (nonzero) digits is 104509440, while the sum is 67.

The spelling of 80365898947 in words is "eighty billion, three hundred sixty-five million, eight hundred ninety-eight thousand, nine hundred forty-seven".