78080170 has 32 divisors (see below), whose sum is σ = 167609088. Its totient is φ = 25605888.

The previous prime is 78080161. The next prime is 78080173. The reversal of 78080170 is 7108087.

It is not an unprimeable number, because it can be changed into a prime (78080173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22639 + ... + 25858.

It is an arithmetic number, because the mean of its divisors is an integer number (5237784).

Almost surely, 2^78080170 is an apocalyptic number.

78080170 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

78080170 is an abundant number, since it is smaller than the sum of its proper divisors (89528918).

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

78080170 is a wasteful number, since it uses less digits than its factorization.

78080170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48534.

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 78080170 is about 8836.2984331676. The cubic root of 78080170 is about 427.4122022541.

The spelling of 78080170 in words is "seventy-eight million, eighty thousand, one hundred seventy".