172555800480287 has 32 divisors (see below), whose sum is σ = 205590506230272. Its totient is φ = 141738263973504.

The previous prime is 172555800480227. The next prime is 172555800480331. The reversal of 172555800480287 is 782084008555271.

It is a cyclic number.

It is not a de Polignac number, because 172555800480287 - 2⁴⁴ = 154963614435871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172555800480227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114702188 + ... + 116196830.

It is an arithmetic number, because the mean of its divisors is an integer number (6424703319696).

Almost surely, 2^{172555800480287} is an apocalyptic number.

172555800480287 is a deficient number, since it is larger than the sum of its proper divisors (33034705749985).

172555800480287 is a wasteful number, since it uses less digits than its factorization.

172555800480287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501407.

The product of its (nonzero) digits is 50176000, while the sum is 62.

The spelling of 172555800480287 in words is "one hundred seventy-two trillion, five hundred fifty-five billion, eight hundred million, four hundred eighty thousand, two hundred eighty-seven".