172871431460 has 48 divisors (see below), whose sum is σ = 446806166016. Its totient is φ = 54710957952.

The previous prime is 172871431423. The next prime is 172871431463. The reversal of 172871431460 is 64134178271.

172871431460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (172871431463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47490332 + ... + 47493971.

It is an arithmetic number, because the mean of its divisors is an integer number (9308461792).

Almost surely, 2^172871431460 is an apocalyptic number.

172871431460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172871431460 is an abundant number, since it is smaller than the sum of its proper divisors (273934734556).

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

172871431460 is a wasteful number, since it uses less digits than its factorization.

172871431460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94984332 (or 94984330 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 44.

The spelling of 172871431460 in words is "one hundred seventy-two billion, eight hundred seventy-one million, four hundred thirty-one thousand, four hundred sixty".