78571880170 has 16 divisors (see below), whose sum is σ = 161633582208. Its totient is φ = 26938930320.

The previous prime is 78571880131. The next prime is 78571880171. The reversal of 78571880170 is 7108817587.

It is not an unprimeable number, because it can be changed into a prime (78571880171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561227646 + ... + 561227785.

It is an arithmetic number, because the mean of its divisors is an integer number (10102098888).

Almost surely, 2^78571880170 is an apocalyptic number.

78571880170 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

78571880170 is an abundant number, since it is smaller than the sum of its proper divisors (83061702038).

78571880170 is a wasteful number, since it uses less digits than its factorization.

78571880170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122455445.

The product of its (nonzero) digits is 878080, while the sum is 52.

The spelling of 78571880170 in words is "seventy-eight billion, five hundred seventy-one million, eight hundred eighty thousand, one hundred seventy".