928975961 has 2 divisors, whose sum is σ = 928975962. Its totient is φ = 928975960.

The previous prime is 928975907. The next prime is 928975963. The reversal of 928975961 is 169579829.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 514609225 + 414366736 = 22685^2 + 20356^2 .

It is an emirp because it is prime and its reverse (169579829) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-928975961 is a prime.

It is a super-2 number, since 2×928975961² = 1725992672231747042, which contains 22 as substring.

Together with 928975963, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 928975897 and 928975906.

It is not a weakly prime, because it can be changed into another prime (928975963) 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 as a sum of consecutive naturals, namely, 464487980 + 464487981.

It is an arithmetic number, because the mean of its divisors is an integer number (464487981).

Almost surely, 2^928975961 is an apocalyptic number.

It is an amenable number.

928975961 is a deficient number, since it is larger than the sum of its proper divisors (1).

928975961 is an equidigital number, since it uses as much as digits as its factorization.

928975961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2449440, while the sum is 56.

The square root of 928975961 is about 30479.1069587021. The cubic root of 928975961 is about 975.7416092529.

The spelling of 928975961 in words is "nine hundred twenty-eight million, nine hundred seventy-five thousand, nine hundred sixty-one".