8769429840 has 40 divisors (see below), whose sum is σ = 27185233248. Its totient is φ = 2338514560.

The previous prime is 8769429833. The next prime is 8769429901. The reversal of 8769429840 is 489249678.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

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, 18269406 + ... + 18269885.

Almost surely, 2^8769429840 is an apocalyptic number.

8769429840 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8769429840 is an abundant number, since it is smaller than the sum of its proper divisors (18415803408).

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

8769429840 is a wasteful number, since it uses less digits than its factorization.

8769429840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36539307 (or 36539301 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 57.

The square root of 8769429840 is about 93645.2339417228. The cubic root of 8769429840 is about 2062.1667778288.

The spelling of 8769429840 in words is "eight billion, seven hundred sixty-nine million, four hundred twenty-nine thousand, eight hundred forty".