78896863 has 4 divisors (see below), whose sum is σ = 78921760. Its totient is φ = 78871968.

The previous prime is 78896843. The next prime is 78896869. The reversal of 78896863 is 36869887.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78896863 - 2⁹ = 78896351 is a prime.

It is a super-3 number, since 3×78896863³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78896869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6858 + ... + 14311.

It is an arithmetic number, because the mean of its divisors is an integer number (19730440).

Almost surely, 2^78896863 is an apocalyptic number.

78896863 is a deficient number, since it is larger than the sum of its proper divisors (24897).

78896863 is a wasteful number, since it uses less digits than its factorization.

78896863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24896.

The product of its digits is 3483648, while the sum is 55.

The square root of 78896863 is about 8882.3906128925. The cubic root of 78896863 is about 428.8972337852.

The spelling of 78896863 in words is "seventy-eight million, eight hundred ninety-six thousand, eight hundred sixty-three".