78996516 has 24 divisors (see below), whose sum is σ = 187451040. Its totient is φ = 25885632.

The previous prime is 78996481. The next prime is 78996539. The reversal of 78996516 is 61569987.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55081 + ... + 56496.

It is an arithmetic number, because the mean of its divisors is an integer number (7810460).

Almost surely, 2^78996516 is an apocalyptic number.

It is an amenable number.

78996516 is an abundant number, since it is smaller than the sum of its proper divisors (108454524).

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

78996516 is a wasteful number, since it uses less digits than its factorization.

78996516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111643 (or 111641 counting only the distinct ones).

The product of its digits is 816480, while the sum is 51.

The square root of 78996516 is about 8887.9984248423. The cubic root of 78996516 is about 429.0777348934.

The spelling of 78996516 in words is "seventy-eight million, nine hundred ninety-six thousand, five hundred sixteen".