172080750578 has 8 divisors (see below), whose sum is σ = 281586682800. Its totient is φ = 78218522980.

The previous prime is 172080750563. The next prime is 172080750619. The reversal of 172080750578 is 875057080271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×172080750578² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3910926128 + ... + 3910926171.

It is an arithmetic number, because the mean of its divisors is an integer number (35198335350).

Almost surely, 2^172080750578 is an apocalyptic number.

172080750578 is a deficient number, since it is larger than the sum of its proper divisors (109505932222).

172080750578 is a wasteful number, since it uses less digits than its factorization.

172080750578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7821852312.

The product of its (nonzero) digits is 1097600, while the sum is 50.

The spelling of 172080750578 in words is "one hundred seventy-two billion, eighty million, seven hundred fifty thousand, five hundred seventy-eight".