80728730254 has 8 divisors (see below), whose sum is σ = 121095290880. Its totient is φ = 40363633296.

The previous prime is 80728730249. The next prime is 80728730287. The reversal of 80728730254 is 45203782708.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215694 + ... + 456049.

It is an arithmetic number, because the mean of its divisors is an integer number (15136911360).

Almost surely, 2^80728730254 is an apocalyptic number.

80728730254 is a deficient number, since it is larger than the sum of its proper divisors (40366560626).

80728730254 is a wasteful number, since it uses less digits than its factorization.

80728730254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731834.

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 80728730254 in words is "eighty billion, seven hundred twenty-eight million, seven hundred thirty thousand, two hundred fifty-four".