80715230338 has 4 divisors (see below), whose sum is σ = 121072845510. Its totient is φ = 40357615168.

The previous prime is 80715230333. The next prime is 80715230341. The reversal of 80715230338 is 83303251708.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 67015230129 + 13700000209 = 258873^2 + 117047^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80715230338.

It is not an unprimeable number, because it can be changed into a prime (80715230333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20178807583 + ... + 20178807586.

Almost surely, 2^80715230338 is an apocalyptic number.

80715230338 is a deficient number, since it is larger than the sum of its proper divisors (40357615172).

80715230338 is a wasteful number, since it uses less digits than its factorization.

80715230338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40357615171.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 80715230338 in words is "eighty billion, seven hundred fifteen million, two hundred thirty thousand, three hundred thirty-eight".