8678641264 has 40 divisors (see below), whose sum is σ = 17512638048. Its totient is φ = 4162556160.

The previous prime is 8678641261. The next prime is 8678641273. The reversal of 8678641264 is 4621468768.

It is a super-3 number, since 3×8678641264³ (a number of 31 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8678641261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61207 + ... + 145270.

Almost surely, 2^8678641264 is an apocalyptic number.

It is an amenable number.

8678641264 is an abundant number, since it is smaller than the sum of its proper divisors (8833996784).

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

8678641264 is a wasteful number, since it uses less digits than its factorization.

8678641264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206593 (or 206587 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 52.

The square root of 8678641264 is about 93159.2253295400. The cubic root of 8678641264 is about 2055.0256439358.

The spelling of 8678641264 in words is "eight billion, six hundred seventy-eight million, six hundred forty-one thousand, two hundred sixty-four".