8969999678 has 16 divisors (see below), whose sum is σ = 14179016736. Its totient is φ = 4247522400.

The previous prime is 8969999677. The next prime is 8969999723. The reversal of 8969999678 is 8769999698.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8969999677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 960701 + ... + 969992.

It is an arithmetic number, because the mean of its divisors is an integer number (886188546).

Almost surely, 2^8969999678 is an apocalyptic number.

8969999678 is a deficient number, since it is larger than the sum of its proper divisors (5209017058).

8969999678 is a wasteful number, since it uses less digits than its factorization.

8969999678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930819.

The product of its digits is 952342272, while the sum is 80.

The square root of 8969999678 is about 94710.0822404880. The cubic root of 8969999678 is about 2077.7700211710.

The spelling of 8969999678 in words is "eight billion, nine hundred sixty-nine million, nine hundred ninety-nine thousand, six hundred seventy-eight".