78029869294080 has 800 divisors, whose sum is σ = 305988605208000. Its totient is φ = 18847889326080.

The previous prime is 78029869294067. The next prime is 78029869294177. The reversal of 78029869294080 is 8049296892087.

78029869294080 is a `hidden beast` number, since 78 + 0 + 2 + 98 + 69 + 2 + 9 + 408 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 631764171 + ... + 631887669.

It is an arithmetic number, because the mean of its divisors is an integer number (382485756510).

Almost surely, 2^{78029869294080} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78029869294080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152994302604000).

78029869294080 is an abundant number, since it is smaller than the sum of its proper divisors (227958735913920).

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

78029869294080 is a wasteful number, since it uses less digits than its factorization.

78029869294080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123822 (or 123797 counting only the distinct ones).

The product of its (nonzero) digits is 250822656, while the sum is 72.

The spelling of 78029869294080 in words is "seventy-eight trillion, twenty-nine billion, eight hundred sixty-nine million, two hundred ninety-four thousand, eighty".