8780975939904 has 448 divisors, whose sum is σ = 29216479641600. Its totient is φ = 2271002572800.

The previous prime is 8780975939891. The next prime is 8780975940017. The reversal of 8780975939904 is 4099395790878.

It is a tau number, because it is divible by the number of its divisors (448).

It is a self number, because there is not a number n which added to its sum of digits gives 8780975939904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62467459 + ... + 62607869.

Almost surely, 2^{8780975939904} is an apocalyptic number.

8780975939904 is a gapful number since it is divisible by the number (84) 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 8780975939904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14608239820800).

8780975939904 is an abundant number, since it is smaller than the sum of its proper divisors (20435503701696).

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

8780975939904 is a wasteful number, since it uses less digits than its factorization.

8780975939904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140562 (or 140552 counting only the distinct ones).

The product of its (nonzero) digits is 1234517760, while the sum is 78.

The spelling of 8780975939904 in words is "eight trillion, seven hundred eighty billion, nine hundred seventy-five million, nine hundred thirty-nine thousand, nine hundred four".