78626966 has 8 divisors (see below), whose sum is σ = 128662344. Its totient is φ = 35739520.

The previous prime is 78626957. The next prime is 78627049. The reversal of 78626966 is 66962687.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1786955 + ... + 1786998.

It is an arithmetic number, because the mean of its divisors is an integer number (16082793).

Almost surely, 2^78626966 is an apocalyptic number.

78626966 is a deficient number, since it is larger than the sum of its proper divisors (50035378).

78626966 is a wasteful number, since it uses less digits than its factorization.

78626966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3573966.

The product of its digits is 1306368, while the sum is 50.

The square root of 78626966 is about 8867.1847843608. The cubic root of 78626966 is about 428.4076058413.

The spelling of 78626966 in words is "seventy-eight million, six hundred twenty-six thousand, nine hundred sixty-six".