80735539600 has 45 divisors (see below), whose sum is σ = 193980787777. Its totient is φ = 32291942720.

The previous prime is 80735539553. The next prime is 80735539601. The reversal of 80735539600 is 693553708.

The square root of 80735539600 is 284140.

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

It can be written as a sum of positive squares in only one way, i.e., 29064794256 + 51670745344 = 170484^2 + 227312^2 .

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80735539601) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5675697 + ... + 5689903.

Almost surely, 2^80735539600 is an apocalyptic number.

80735539600 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

80735539600 is the 284140-th square number.

It is an amenable number.

80735539600 is an abundant number, since it is smaller than the sum of its proper divisors (113245248177).

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

80735539600 is an frugal number, since it uses more digits than its factorization.

80735539600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28432 (or 14214 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 46.

The spelling of 80735539600 in words is "eighty billion, seven hundred thirty-five million, five hundred thirty-nine thousand, six hundred".