9872840002 has 8 divisors (see below), whose sum is σ = 15588694800. Its totient is φ = 4676608404.

The previous prime is 9872839987. The next prime is 9872840009. The reversal of 9872840002 is 2000482789.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (9872840009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129905752 + ... + 129905827.

It is an arithmetic number, because the mean of its divisors is an integer number (1948586850).

Almost surely, 2^9872840002 is an apocalyptic number.

9872840002 is a deficient number, since it is larger than the sum of its proper divisors (5715854798).

9872840002 is a wasteful number, since it uses less digits than its factorization.

9872840002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259811600.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 9872840002 is about 99362.1658479725. The cubic root of 9872840002 is about 2145.2637766763.

The spelling of 9872840002 in words is "nine billion, eight hundred seventy-two million, eight hundred forty thousand, two".