8877563807978 has 8 divisors (see below), whose sum is σ = 13316390722272. Its totient is φ = 4438766900556.

The previous prime is 8877563807963. The next prime is 8877563808011. The reversal of 8877563807978 is 8797083657788.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×8877563807978² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8877563807896 and 8877563807905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6746900 + ... + 7954607.

It is an arithmetic number, because the mean of its divisors is an integer number (1664548840284).

Almost surely, 2^{8877563807978} is an apocalyptic number.

8877563807978 is a deficient number, since it is larger than the sum of its proper divisors (4438826914294).

8877563807978 is a wasteful number, since it uses less digits than its factorization.

8877563807978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15003436.

The product of its (nonzero) digits is 7965941760, while the sum is 83.

The spelling of 8877563807978 in words is "eight trillion, eight hundred seventy-seven billion, five hundred sixty-three million, eight hundred seven thousand, nine hundred seventy-eight".