78963538274205 has 96 divisors (see below), whose sum is σ = 143924088470400. Its totient is φ = 36897693041664.

The previous prime is 78963538274191. The next prime is 78963538274251. The reversal of 78963538274205 is 50247283536987.

It is not a de Polignac number, because 78963538274205 - 2⁴ = 78963538274189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 78963538274205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4765282 + ... + 13440051.

It is an arithmetic number, because the mean of its divisors is an integer number (1499209254900).

Almost surely, 2^{78963538274205} is an apocalyptic number.

It is an amenable number.

78963538274205 is a deficient number, since it is larger than the sum of its proper divisors (64960550196195).

78963538274205 is a wasteful number, since it uses less digits than its factorization.

78963538274205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18205455 (or 18205442 counting only the distinct ones).

The product of its (nonzero) digits is 609638400, while the sum is 69.

The spelling of 78963538274205 in words is "seventy-eight trillion, nine hundred sixty-three billion, five hundred thirty-eight million, two hundred seventy-four thousand, two hundred five".