78998766373296 has 2400 divisors, whose sum is σ = 309768781386240. Its totient is φ = 19179224064000.

The previous prime is 78998766373231. The next prime is 78998766373309. The reversal of 78998766373296 is 69237366789987.

78998766373296 is a `hidden beast` number, since 7 + 8 + 9 + 98 + 7 + 66 + 373 + 2 + 96 = 666.

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 479 ways as a sum of consecutive naturals, for example, 144421876095 + ... + 144421876641.

Almost surely, 2^{78998766373296} 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 78998766373296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154884390693120).

78998766373296 is an abundant number, since it is smaller than the sum of its proper divisors (230770015012944).

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

78998766373296 is a wasteful number, since it uses less digits than its factorization.

78998766373296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805 (or 783 counting only the distinct ones).

The product of its digits is 62219695104, while the sum is 90.

The spelling of 78998766373296 in words is "seventy-eight trillion, nine hundred ninety-eight billion, seven hundred sixty-six million, three hundred seventy-three thousand, two hundred ninety-six".