1078878993480 has 512 divisors, whose sum is σ = 3856619520000. Its totient is φ = 267483700224.

The previous prime is 1078878993449. The next prime is 1078878993503. The reversal of 1078878993480 is 843998788701.

1078878993480 is a `hidden beast` number, since 1 + 0 + 78 + 8 + 78 + 9 + 9 + 3 + 480 = 666.

It is a Cunningham number, because it is equal to 1038691²-1.

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

It is a junction number, because it is equal to n+sod(n) for n = 1078878993399 and 1078878993408.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 280444917 + ... + 280448763.

It is an arithmetic number, because the mean of its divisors is an integer number (7532460000).

Almost surely, 2^{1078878993480} is an apocalyptic number.

1078878993480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1078878993480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1928309760000).

1078878993480 is an abundant number, since it is smaller than the sum of its proper divisors (2777740526520).

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

1078878993480 is a wasteful number, since it uses less digits than its factorization.

1078878993480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4138 (or 4128 counting only the distinct ones).

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

The spelling of 1078878993480 in words is "one trillion, seventy-eight billion, eight hundred seventy-eight million, nine hundred ninety-three thousand, four hundred eighty".