78716196 has 36 divisors (see below), whose sum is σ = 214284252. Its totient is φ = 24220224.

The previous prime is 78716191. The next prime is 78716201. The reversal of 78716196 is 69161787.

It is an interprime number because it is at equal distance from previous prime (78716191) and next prime (78716201).

It can be written as a sum of positive squares in 2 ways, for example, as 38266596 + 40449600 = 6186^2 + 6360^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (78716191) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 83631 + ... + 84566.

Almost surely, 2^78716196 is an apocalyptic number.

It is an amenable number.

78716196 is an abundant number, since it is smaller than the sum of its proper divisors (135568056).

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

78716196 is a wasteful number, since it uses less digits than its factorization.

78716196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168220 (or 168215 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 78716196 is about 8872.2148305820. The cubic root of 78716196 is about 428.5696043732.

The spelling of 78716196 in words is "seventy-eight million, seven hundred sixteen thousand, one hundred ninety-six".