80984758225609 has 96 divisors (see below), whose sum is σ = 98068221296640. Its totient is φ = 65474436658176.

The previous prime is 80984758225573. The next prime is 80984758225633. The reversal of 80984758225609 is 90652285748908.

It is not a de Polignac number, because 80984758225609 - 2²⁵ = 80984724671177 is a prime.

It is a super-2 number, since 2×80984758225609² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80984758225699) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21183560272 + ... + 21183564094.

It is an arithmetic number, because the mean of its divisors is an integer number (1021543971840).

Almost surely, 2^{80984758225609} is an apocalyptic number.

It is an amenable number.

80984758225609 is a deficient number, since it is larger than the sum of its proper divisors (17083463071031).

80984758225609 is a wasteful number, since it uses less digits than its factorization.

80984758225609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4419 (or 4376 counting only the distinct ones).

The product of its (nonzero) digits is 696729600, while the sum is 73.

The spelling of 80984758225609 in words is "eighty trillion, nine hundred eighty-four billion, seven hundred fifty-eight million, two hundred twenty-five thousand, six hundred nine".