172852904774 has 16 divisors (see below), whose sum is σ = 291974409216. Its totient is φ = 76035001800.

The previous prime is 172852904747. The next prime is 172852904779. The reversal of 172852904774 is 477409258271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172852904779) 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 7 ways as a sum of consecutive naturals, for example, 126724322 + ... + 126725685.

It is an arithmetic number, because the mean of its divisors is an integer number (18248400576).

Almost surely, 2^172852904774 is an apocalyptic number.

172852904774 is a deficient number, since it is larger than the sum of its proper divisors (119121504442).

172852904774 is a wasteful number, since it uses less digits than its factorization.

172852904774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253450051.

The product of its (nonzero) digits is 7902720, while the sum is 56.

The spelling of 172852904774 in words is "one hundred seventy-two billion, eight hundred fifty-two million, nine hundred four thousand, seven hundred seventy-four".