9086961921 has 8 divisors (see below), whose sum is σ = 12116579904. Its totient is φ = 6057659280.

The previous prime is 9086961881. The next prime is 9086961943. The reversal of 9086961921 is 1291696809.

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

It is not a de Polignac number, because 9086961921 - 2⁶ = 9086961857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9086968921) 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, 466 + ... + 134811.

It is an arithmetic number, because the mean of its divisors is an integer number (1514572488).

Almost surely, 2^9086961921 is an apocalyptic number.

It is an amenable number.

9086961921 is a deficient number, since it is larger than the sum of its proper divisors (3029617983).

9086961921 is a wasteful number, since it uses less digits than its factorization.

9086961921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157671.

The product of its (nonzero) digits is 419904, while the sum is 51.

The square root of 9086961921 is about 95325.5575436095. The cubic root of 9086961921 is about 2086.7619188311.

The spelling of 9086961921 in words is "nine billion, eighty-six million, nine hundred sixty-one thousand, nine hundred twenty-one".