9933977 has 2 divisors, whose sum is σ = 9933978. Its totient is φ = 9933976.

The previous prime is 9933971. The next prime is 9933983. The reversal of 9933977 is 7793399.

9933977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (9933971) and next prime (9933983).

It can be written as a sum of positive squares in only one way, i.e., 9853321 + 80656 = 3139^2 + 284^2 .

It is a cyclic number.

It is not a de Polignac number, because 9933977 - 2⁴ = 9933961 is a prime.

It is not a weakly prime, because it can be changed into another prime (9933971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4966988 + 4966989.

It is an arithmetic number, because the mean of its divisors is an integer number (4966989).

Almost surely, 2^9933977 is an apocalyptic number.

It is an amenable number.

9933977 is a deficient number, since it is larger than the sum of its proper divisors (1).

9933977 is an equidigital number, since it uses as much as digits as its factorization.

9933977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 321489, while the sum is 47.

The square root of 9933977 is about 3151.8212195491. The cubic root of 9933977 is about 214.9682808804.

The spelling of 9933977 in words is "nine million, nine hundred thirty-three thousand, nine hundred seventy-seven".