8992391957 has 8 divisors (see below), whose sum is σ = 9157325280. Its totient is φ = 8827876080.

The previous prime is 8992391917. The next prime is 8992391963. The reversal of 8992391957 is 7591932998.

8992391957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 8992391957 - 2²⁴ = 8975614741 is a prime.

It is a super-2 number, since 2×8992391957² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8992391957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8992391917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60719 + ... + 147212.

It is an arithmetic number, because the mean of its divisors is an integer number (1144665660).

Almost surely, 2^8992391957 is an apocalyptic number.

It is an amenable number.

8992391957 is a deficient number, since it is larger than the sum of its proper divisors (164933323).

8992391957 is a wasteful number, since it uses less digits than its factorization.

8992391957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208723.

The product of its digits is 11022480, while the sum is 62.

The square root of 8992391957 is about 94828.2234200346. The cubic root of 8992391957 is about 2079.4975331065.

The spelling of 8992391957 in words is "eight billion, nine hundred ninety-two million, three hundred ninety-one thousand, nine hundred fifty-seven".