78969323913984 has 180 divisors, whose sum is σ = 269111126317264. Its totient is φ = 22562663933952.

The previous prime is 78969323913979. The next prime is 78969323914007. The reversal of 78969323913984 is 48931932396987.

78969323913984 is a `hidden beast` number, since 7 + 8 + 96 + 9 + 32 + 391 + 39 + 84 = 666.

It is a super-2 number, since 2×78969323913984² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 271877707 + ... + 272168010.

Almost surely, 2^{78969323913984} is an apocalyptic number.

It is an amenable number.

78969323913984 is an abundant number, since it is smaller than the sum of its proper divisors (190141802403280).

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

78969323913984 is an equidigital number, since it uses as much as digits as its factorization.

78969323913984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544045752 (or 544045729 counting only the distinct ones).

The product of its digits is 3809369088, while the sum is 81.

The spelling of 78969323913984 in words is "seventy-eight trillion, nine hundred sixty-nine billion, three hundred twenty-three million, nine hundred thirteen thousand, nine hundred eighty-four".