80015008730 has 16 divisors (see below), whose sum is σ = 145999989864. Its totient is φ = 31567564800.

The previous prime is 80015008691. The next prime is 80015008747. The reversal of 80015008730 is 3780051008.

It can be written as a sum of positive squares in 4 ways, for example, as 52020030241 + 27994978489 = 228079^2 + 167317^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54804071 + ... + 54805530.

Almost surely, 2^80015008730 is an apocalyptic number.

80015008730 is a deficient number, since it is larger than the sum of its proper divisors (65984981134).

80015008730 is a wasteful number, since it uses less digits than its factorization.

80015008730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109609681.

The product of its (nonzero) digits is 6720, while the sum is 32.

Adding to 80015008730 its reverse (3780051008), we get a palindrome (83795059738).

The spelling of 80015008730 in words is "eighty billion, fifteen million, eight thousand, seven hundred thirty".