9967951379 has 8 divisors (see below), whose sum is σ = 10164380688. Its totient is φ = 9772587360.

The previous prime is 9967951363. The next prime is 9967951387. The reversal of 9967951379 is 9731597699.

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

It is a cyclic number.

It is not a de Polignac number, because 9967951379 - 2⁴ = 9967951363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9967951319) 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, 247412 + ... + 284865.

It is an arithmetic number, because the mean of its divisors is an integer number (1270547586).

Almost surely, 2^9967951379 is an apocalyptic number.

9967951379 is a deficient number, since it is larger than the sum of its proper divisors (196429309).

9967951379 is a wasteful number, since it uses less digits than its factorization.

9967951379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532645.

The product of its digits is 28934010, while the sum is 65.

The square root of 9967951379 is about 99839.6282995885. The cubic root of 9967951379 is about 2152.1306715606.

The spelling of 9967951379 in words is "nine billion, nine hundred sixty-seven million, nine hundred fifty-one thousand, three hundred seventy-nine".