78379708 has 12 divisors (see below), whose sum is σ = 149634072. Its totient is φ = 35627120.

The previous prime is 78379703. The next prime is 78379723. The reversal of 78379708 is 80797387.

It is a happy number.

It is a super-2 number, since 2×78379708² = 12286757252330528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78379703) 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 3 ways as a sum of consecutive naturals, for example, 890635 + ... + 890722.

It is an arithmetic number, because the mean of its divisors is an integer number (12469506).

Almost surely, 2^78379708 is an apocalyptic number.

It is an amenable number.

78379708 is a deficient number, since it is larger than the sum of its proper divisors (71254364).

78379708 is a wasteful number, since it uses less digits than its factorization.

78379708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781372 (or 1781370 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 49.

The square root of 78379708 is about 8853.2315004184. The cubic root of 78379708 is about 427.9580635535.

The spelling of 78379708 in words is "seventy-eight million, three hundred seventy-nine thousand, seven hundred eight".