9925777 has 2 divisors, whose sum is σ = 9925778. Its totient is φ = 9925776.

The previous prime is 9925757. The next prime is 9925781. The reversal of 9925777 is 7775299.

It is a happy number.

9925777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5909761 + 4016016 = 2431^2 + 2004^2 .

It is a cyclic number.

It is not a de Polignac number, because 9925777 - 2¹⁹ = 9401489 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9925717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4962888 + 4962889.

It is an arithmetic number, because the mean of its divisors is an integer number (4962889).

Almost surely, 2^9925777 is an apocalyptic number.

It is an amenable number.

9925777 is a deficient number, since it is larger than the sum of its proper divisors (1).

9925777 is an equidigital number, since it uses as much as digits as its factorization.

9925777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 277830, while the sum is 46.

The square root of 9925777 is about 3150.5201157904. The cubic root of 9925777 is about 214.9091160853.

The spelling of 9925777 in words is "nine million, nine hundred twenty-five thousand, seven hundred seventy-seven".