170027768420 has 12 divisors (see below), whose sum is σ = 357058313724. Its totient is φ = 68011107360.

The previous prime is 170027768419. The next prime is 170027768447. The reversal of 170027768420 is 24867720071.

It can be written as a sum of positive squares in 2 ways, for example, as 71999915584 + 98027852836 = 268328^2 + 313094^2 .

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, 4250694191 + ... + 4250694230.

It is an arithmetic number, because the mean of its divisors is an integer number (29754859477).

Almost surely, 2^170027768420 is an apocalyptic number.

170027768420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

170027768420 is an abundant number, since it is smaller than the sum of its proper divisors (187030545304).

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

170027768420 is a wasteful number, since it uses less digits than its factorization.

170027768420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8501388430 (or 8501388428 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 44.

The spelling of 170027768420 in words is "one hundred seventy billion, twenty-seven million, seven hundred sixty-eight thousand, four hundred twenty".