172799982 has 24 divisors (see below), whose sum is σ = 374807160. Its totient is φ = 57537360.

The previous prime is 172799969. The next prime is 172799987. The reversal of 172799982 is 289997271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172799987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13632 + ... + 23052.

It is an arithmetic number, because the mean of its divisors is an integer number (15616965).

Almost surely, 2^172799982 is an apocalyptic number.

172799982 is an abundant number, since it is smaller than the sum of its proper divisors (202007178).

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

172799982 is a wasteful number, since it uses less digits than its factorization.

172799982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10448 (or 10445 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 54.

The square root of 172799982 is about 13145.3406954708. The cubic root of 172799982 is about 556.9906406936.

It can be divided in two parts, 17279 and 9982, that added together give a triangular number (27261 = T₂₃₃).

The spelling of 172799982 in words is "one hundred seventy-two million, seven hundred ninety-nine thousand, nine hundred eighty-two".