78960438002 has 8 divisors (see below), whose sum is σ = 118454680812. Its totient is φ = 39475544400.

The previous prime is 78960437987. The next prime is 78960438017. The reversal of 78960438002 is 20083406987.

It is a Cunningham number, because it is equal to 280999²+1.

It is an interprime number because it is at equal distance from previous prime (78960437987) and next prime (78960438017).

It can be written as a sum of positive squares in 2 ways, for example, as 78960438001 + 1 = 280999^2 + 1^2 .

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

It is an unprimeable number.

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, 2316149 + ... + 2349992.

Almost surely, 2^78960438002 is an apocalyptic number.

78960438002 is a deficient number, since it is larger than the sum of its proper divisors (39494242810).

78960438002 is a wasteful number, since it uses less digits than its factorization.

78960438002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4674604.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 78960438002 in words is "seventy-eight billion, nine hundred sixty million, four hundred thirty-eight thousand, two".