78067516 has 12 divisors (see below), whose sum is σ = 139196232. Its totient is φ = 38297168.

The previous prime is 78067513. The next prime is 78067537. The reversal of 78067516 is 61576087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78067513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183910 + ... + 184333.

It is an arithmetic number, because the mean of its divisors is an integer number (11599686).

Almost surely, 2^78067516 is an apocalyptic number.

It is an amenable number.

78067516 is a deficient number, since it is larger than the sum of its proper divisors (61128716).

78067516 is a wasteful number, since it uses less digits than its factorization.

78067516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368300 (or 368298 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 78067516 is about 8835.5823803528. The cubic root of 78067516 is about 427.3891116016.

The spelling of 78067516 in words is "seventy-eight million, sixty-seven thousand, five hundred sixteen".