80488969537 has 4 divisors (see below), whose sum is σ = 80506483156. Its totient is φ = 80471455920.

The previous prime is 80488969531. The next prime is 80488969541. The reversal of 80488969537 is 73596988408.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2868780721 + 77620188816 = 53561^2 + 278604^2 .

It is a cyclic number.

It is not a de Polignac number, because 80488969537 - 2³ = 80488969529 is a prime.

It is a super-2 number, since 2×80488969537² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80488969531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8749914 + ... + 8759107.

It is an arithmetic number, because the mean of its divisors is an integer number (20126620789).

Almost surely, 2^80488969537 is an apocalyptic number.

It is an amenable number.

80488969537 is a deficient number, since it is larger than the sum of its proper divisors (17513619).

80488969537 is a wasteful number, since it uses less digits than its factorization.

80488969537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17513618.

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

The spelling of 80488969537 in words is "eighty billion, four hundred eighty-eight million, nine hundred sixty-nine thousand, five hundred thirty-seven".