78896699 has 8 divisors (see below), whose sum is σ = 90244320. Its totient is φ = 67568256.

The previous prime is 78896621. The next prime is 78896717. The reversal of 78896699 is 99669887.

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

It is not a de Polignac number, because 78896699 - 2¹² = 78892603 is a prime.

It is a super-2 number, since 2×78896699² = 12449378226193202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78896399) 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 7 ways as a sum of consecutive naturals, for example, 5507 + ... + 13715.

It is an arithmetic number, because the mean of its divisors is an integer number (11280540).

Almost surely, 2^78896699 is an apocalyptic number.

78896699 is a deficient number, since it is larger than the sum of its proper divisors (11347621).

78896699 is a wasteful number, since it uses less digits than its factorization.

78896699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9589.

The product of its digits is 11757312, while the sum is 62.

The square root of 78896699 is about 8882.3813811387. The cubic root of 78896699 is about 428.8969366074.

The spelling of 78896699 in words is "seventy-eight million, eight hundred ninety-six thousand, six hundred ninety-nine".