172271761354770 has 192 divisors, whose sum is σ = 524690234413056. Its totient is φ = 35795879925120.

The previous prime is 172271761354757. The next prime is 172271761354867. The reversal of 172271761354770 is 77453167172271.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 863491449 + ... + 863690931.

It is an arithmetic number, because the mean of its divisors is an integer number (2732761637568).

Almost surely, 2^{172271761354770} is an apocalyptic number.

172271761354770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172271761354770 is an abundant number, since it is smaller than the sum of its proper divisors (352418473058286).

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

172271761354770 is a wasteful number, since it uses less digits than its factorization.

172271761354770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252925 (or 252918 counting only the distinct ones).

The product of its (nonzero) digits is 24202080, while the sum is 60.

The spelling of 172271761354770 in words is "one hundred seventy-two trillion, two hundred seventy-one billion, seven hundred sixty-one million, three hundred fifty-four thousand, seven hundred seventy".