80739567284 has 24 divisors (see below), whose sum is σ = 143899374528. Its totient is φ = 39630342080.

The previous prime is 80739567283. The next prime is 80739567289. The reversal of 80739567284 is 48276593708.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80739567283) 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, 543902 + ... + 676245.

It is an arithmetic number, because the mean of its divisors is an integer number (5995807272).

Almost surely, 2^80739567284 is an apocalyptic number.

It is an amenable number.

80739567284 is a deficient number, since it is larger than the sum of its proper divisors (63159807244).

80739567284 is a wasteful number, since it uses less digits than its factorization.

80739567284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220455 (or 1220453 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 59.

The spelling of 80739567284 in words is "eighty billion, seven hundred thirty-nine million, five hundred sixty-seven thousand, two hundred eighty-four".