78822397980801 has 16 divisors (see below), whose sum is σ = 116863542267520. Its totient is φ = 52507936620720.

The previous prime is 78822397980797. The next prime is 78822397980961. The reversal of 78822397980801 is 10808979322887.

78822397980801 is a `hidden beast` number, since 7 + 8 + 82 + 2 + 397 + 9 + 80 + 80 + 1 = 666.

It is not a de Polignac number, because 78822397980801 - 2² = 78822397980797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78822397980801.

It is not an unprimeable number, because it can be changed into a prime (78822397981801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1120205830 + ... + 1120276191.

It is an arithmetic number, because the mean of its divisors is an integer number (7303971391720).

Almost surely, 2^{78822397980801} is an apocalyptic number.

It is an amenable number.

78822397980801 is a deficient number, since it is larger than the sum of its proper divisors (38041144286719).

78822397980801 is a wasteful number, since it uses less digits than its factorization.

78822397980801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240483333 (or 2240483327 counting only the distinct ones).

The product of its (nonzero) digits is 195084288, while the sum is 72.

The spelling of 78822397980801 in words is "seventy-eight trillion, eight hundred twenty-two billion, three hundred ninety-seven million, nine hundred eighty thousand, eight hundred one".