80343902500 has 45 divisors (see below), whose sum is σ = 175727043877. Its totient is φ = 32131892000.

The previous prime is 80343902477. The next prime is 80343902501. The reversal of 80343902500 is 520934308.

It is a happy number.

The square root of 80343902500 is 283450.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 76205810916 + 4138091584 = 276054^2 + 64328^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80343902501) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 14169666 + ... + 14175334.

Almost surely, 2^80343902500 is an apocalyptic number.

80343902500 is the 283450-th square number.

It is an amenable number.

80343902500 is an abundant number, since it is smaller than the sum of its proper divisors (95383141377).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80343902500 is an frugal number, since it uses more digits than its factorization.

80343902500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11362 (or 5676 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 80343902500 in words is "eighty billion, three hundred forty-three million, nine hundred two thousand, five hundred".