170078538478 has 16 divisors (see below), whose sum is σ = 256003879824. Its totient is φ = 84744031680.

The previous prime is 170078538473. The next prime is 170078538479. The reversal of 170078538478 is 874835870071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170078538473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3092476 + ... + 3146992.

It is an arithmetic number, because the mean of its divisors is an integer number (16000242489).

Almost surely, 2^170078538478 is an apocalyptic number.

170078538478 is a deficient number, since it is larger than the sum of its proper divisors (85925341346).

170078538478 is a wasteful number, since it uses less digits than its factorization.

170078538478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59907.

The product of its (nonzero) digits is 10536960, while the sum is 58.

The spelling of 170078538478 in words is "one hundred seventy billion, seventy-eight million, five hundred thirty-eight thousand, four hundred seventy-eight".