78067086 has 16 divisors (see below), whose sum is σ = 164352000. Its totient is φ = 24652728.

The previous prime is 78067051. The next prime is 78067147. The reversal of 78067086 is 68076087.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342286 + ... + 342513.

It is an arithmetic number, because the mean of its divisors is an integer number (10272000).

Almost surely, 2^78067086 is an apocalyptic number.

78067086 is an abundant number, since it is smaller than the sum of its proper divisors (86284914).

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

78067086 is a wasteful number, since it uses less digits than its factorization.

78067086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684823.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 78067086 is about 8835.5580468921. The cubic root of 78067086 is about 427.3883269063.

Subtracting from 78067086 its reverse (68076087), we obtain a palindrome (9990999).

The spelling of 78067086 in words is "seventy-eight million, sixty-seven thousand, eighty-six".