8677978874 has 4 divisors (see below), whose sum is σ = 13016968314. Its totient is φ = 4338989436.

The previous prime is 8677978843. The next prime is 8677978901. The reversal of 8677978874 is 4788797768.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8599780225 + 78198649 = 92735^2 + 8843^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8677978798 and 8677978807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2169494717 + ... + 2169494720.

Almost surely, 2^8677978874 is an apocalyptic number.

8677978874 is a deficient number, since it is larger than the sum of its proper divisors (4338989440).

8677978874 is a wasteful number, since it uses less digits than its factorization.

8677978874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4338989439.

The product of its digits is 265531392, while the sum is 71.

The square root of 8677978874 is about 93155.6701119154. The cubic root of 8677978874 is about 2054.9733599039.

The spelling of 8677978874 in words is "eight billion, six hundred seventy-seven million, nine hundred seventy-eight thousand, eight hundred seventy-four".