172799946408 has 32 divisors (see below), whose sum is σ = 432028872000. Its totient is φ = 57596114688.

The previous prime is 172799946401. The next prime is 172799946439. The reversal of 172799946408 is 804649997271.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (172799946401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135168 + ... + 603216.

It is an arithmetic number, because the mean of its divisors is an integer number (13500902250).

Almost surely, 2^172799946408 is an apocalyptic number.

It is an amenable number.

172799946408 is an abundant number, since it is smaller than the sum of its proper divisors (259228925592).

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

172799946408 is a wasteful number, since it uses less digits than its factorization.

172799946408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483441 (or 483437 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 66.

The spelling of 172799946408 in words is "one hundred seventy-two billion, seven hundred ninety-nine million, nine hundred forty-six thousand, four hundred eight".