78036966 has 32 divisors (see below), whose sum is σ = 198190080. Its totient is φ = 22296168.

The previous prime is 78036961. The next prime is 78036983. The reversal of 78036966 is 66963087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78036961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102846 + ... + 103601.

It is an arithmetic number, because the mean of its divisors is an integer number (6193440).

Almost surely, 2^78036966 is an apocalyptic number.

78036966 is an abundant number, since it is smaller than the sum of its proper divisors (120153114).

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

78036966 is a wasteful number, since it uses less digits than its factorization.

78036966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206465 (or 206459 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 78036966 is about 8833.8534060737. The cubic root of 78036966 is about 427.3333545614. Note that the first 4 decimals are identical.

The spelling of 78036966 in words is "seventy-eight million, thirty-six thousand, nine hundred sixty-six".