890656057 has 2 divisors, whose sum is σ = 890656058. Its totient is φ = 890656056.

The previous prime is 890656051. The next prime is 890656087. The reversal of 890656057 is 750656098.

890656057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 886907961 + 3748096 = 29781^2 + 1936^2 .

It is a cyclic number.

It is not a de Polignac number, because 890656057 - 2³ = 890656049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 890655998 and 890656016.

It is not a weakly prime, because it can be changed into another prime (890656051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445328028 + 445328029.

It is an arithmetic number, because the mean of its divisors is an integer number (445328029).

Almost surely, 2^890656057 is an apocalyptic number.

It is an amenable number.

890656057 is a deficient number, since it is larger than the sum of its proper divisors (1).

890656057 is an equidigital number, since it uses as much as digits as its factorization.

890656057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 890656057 is about 29843.8612950804. The cubic root of 890656057 is about 962.1364661184.

The spelling of 890656057 in words is "eight hundred ninety million, six hundred fifty-six thousand, fifty-seven".