8978117222224 has 40 divisors (see below), whose sum is σ = 17550475132968. Its totient is φ = 4449068574720.

The previous prime is 8978117222171. The next prime is 8978117222233. The reversal of 8978117222224 is 4222227118798.

It can be written as a sum of positive squares in 4 ways, for example, as 399474561600 + 8578642660624 = 632040^2 + 2928932^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1966707 + ... + 4671634.

Almost surely, 2^{8978117222224} is an apocalyptic number.

It is an amenable number.

8978117222224 is a deficient number, since it is larger than the sum of its proper divisors (8572357910744).

8978117222224 is a wasteful number, since it uses less digits than its factorization.

8978117222224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6639103 (or 6639097 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 55.

The spelling of 8978117222224 in words is "eight trillion, nine hundred seventy-eight billion, one hundred seventeen million, two hundred twenty-two thousand, two hundred twenty-four".