10009977 has 4 divisors (see below), whose sum is σ = 13346640. Its totient is φ = 6673316.

The previous prime is 10009963. The next prime is 10009981. The reversal of 10009977 is 77990001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10009977 - 2¹² = 10005881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10009907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1668327 + ... + 1668332.

It is an arithmetic number, because the mean of its divisors is an integer number (3336660).

Almost surely, 2^10009977 is an apocalyptic number.

It is an amenable number.

10009977 is a deficient number, since it is larger than the sum of its proper divisors (3336663).

10009977 is an equidigital number, since it uses as much as digits as its factorization.

10009977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336662.

The product of its (nonzero) digits is 3969, while the sum is 33.

The square root of 10009977 is about 3163.8547691068. The cubic root of 10009977 is about 215.5150945046.

Adding to 10009977 its reverse (77990001), we get a palindrome (87999978).

The spelling of 10009977 in words is "ten million, nine thousand, nine hundred seventy-seven".