78641050368 has 72 divisors (see below), whose sum is σ = 210396082176. Its totient is φ = 26076390400.

The previous prime is 78641050357. The next prime is 78641050379. The reversal of 78641050368 is 86305014687.

It is an interprime number because it is at equal distance from previous prime (78641050357) and next prime (78641050379).

It is a Harshad number since it is a multiple of its sum of digits (48).

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 7 ways as a sum of consecutive naturals, for example, 121368 + ... + 414743.

It is an arithmetic number, because the mean of its divisors is an integer number (2922167808).

Almost surely, 2^78641050368 is an apocalyptic number.

It is an amenable number.

78641050368 is an abundant number, since it is smaller than the sum of its proper divisors (131755031808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78641050368 is a wasteful number, since it uses less digits than its factorization.

78641050368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536321 (or 536307 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 78641050368 in words is "seventy-eight billion, six hundred forty-one million, fifty thousand, three hundred sixty-eight".