78960437999 has 8 divisors (see below), whose sum is σ = 83673108288. Its totient is φ = 74255316480.

The previous prime is 78960437987. The next prime is 78960438017. The reversal of 78960437999 is 99973406987.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78960437999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78960437939) 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 7 ways as a sum of consecutive naturals, for example, 1865642 + ... + 1907495.

It is an arithmetic number, because the mean of its divisors is an integer number (10459138536).

Almost surely, 2^78960437999 is an apocalyptic number.

78960437999 is a deficient number, since it is larger than the sum of its proper divisors (4712670289).

78960437999 is a wasteful number, since it uses less digits than its factorization.

78960437999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3774385.

The product of its (nonzero) digits is 185177664, while the sum is 71.

The spelling of 78960437999 in words is "seventy-eight billion, nine hundred sixty million, four hundred thirty-seven thousand, nine hundred ninety-nine".