78758996 has 12 divisors (see below), whose sum is σ = 138158580. Its totient is φ = 39285120.

The previous prime is 78758993. The next prime is 78759001. The reversal of 78758996 is 69985787.

It can be written as a sum of positive squares in 2 ways, for example, as 5827396 + 72931600 = 2414^2 + 8540^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78758993) 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 3 ways as a sum of consecutive naturals, for example, 21701 + ... + 25068.

It is an arithmetic number, because the mean of its divisors is an integer number (11513215).

Almost surely, 2^78758996 is an apocalyptic number.

It is an amenable number.

78758996 is a deficient number, since it is larger than the sum of its proper divisors (59399584).

78758996 is a wasteful number, since it uses less digits than its factorization.

78758996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47194 (or 47192 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 59.

The square root of 78758996 is about 8874.6265273531. The cubic root of 78758996 is about 428.6472650348.

The spelling of 78758996 in words is "seventy-eight million, seven hundred fifty-eight thousand, nine hundred ninety-six".