9977029 has 4 divisors (see below), whose sum is σ = 9987840. Its totient is φ = 9966220.

The previous prime is 9977027. The next prime is 9977041. The reversal of 9977029 is 9207799.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9207799 = 19 ⋅484621.

It is a cyclic number.

It is not a de Polignac number, because 9977029 - 2¹ = 9977027 is a prime.

It is a super-2 number, since 2×9977029² = 199082215333682, which contains 22 as substring.

It is a Duffinian number.

9977029 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9977021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3877 + ... + 5914.

It is an arithmetic number, because the mean of its divisors is an integer number (2496960).

Almost surely, 2^9977029 is an apocalyptic number.

It is an amenable number.

9977029 is a deficient number, since it is larger than the sum of its proper divisors (10811).

9977029 is a wasteful number, since it uses less digits than its factorization.

9977029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10810.

The product of its (nonzero) digits is 71442, while the sum is 43.

The square root of 9977029 is about 3158.6435379764. The cubic root of 9977029 is about 215.2783774638.

It can be divided in two parts, 99770 and 29, that added together give a palindrome (99799).

The spelling of 9977029 in words is "nine million, nine hundred seventy-seven thousand, twenty-nine".