9907875926421 has 8 divisors (see below), whose sum is σ = 14411455893024. Its totient is φ = 6004773288720.

The previous prime is 9907875926413. The next prime is 9907875926479. The reversal of 9907875926421 is 1246295787099.

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

It is not a de Polignac number, because 9907875926421 - 2³ = 9907875926413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9907875926821) 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, 150119332186 + ... + 150119332251.

It is an arithmetic number, because the mean of its divisors is an integer number (1801431986628).

Almost surely, 2^{9907875926421} is an apocalyptic number.

It is an amenable number.

9907875926421 is a deficient number, since it is larger than the sum of its proper divisors (4503579966603).

9907875926421 is a wasteful number, since it uses less digits than its factorization.

9907875926421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300238664451.

The product of its (nonzero) digits is 137168640, while the sum is 69.

The spelling of 9907875926421 in words is "nine trillion, nine hundred seven billion, eight hundred seventy-five million, nine hundred twenty-six thousand, four hundred twenty-one".