9779980029 has 32 divisors (see below), whose sum is σ = 14379310080. Its totient is φ = 5885079552.

The previous prime is 9779980019. The next prime is 9779980033. The reversal of 9779980029 is 9200899779.

It is a happy number.

9779980029 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9779980029 - 2⁴ = 9779980013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9779980009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 322414 + ... + 351440.

It is an arithmetic number, because the mean of its divisors is an integer number (449353440).

Almost surely, 2^9779980029 is an apocalyptic number.

It is an amenable number.

9779980029 is a deficient number, since it is larger than the sum of its proper divisors (4599330051).

9779980029 is a wasteful number, since it uses less digits than its factorization.

9779980029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29329.

The product of its (nonzero) digits is 5143824, while the sum is 60.

The square root of 9779980029 is about 98893.7815486899. The cubic root of 9779980029 is about 2138.5167487731.

The spelling of 9779980029 in words is "nine billion, seven hundred seventy-nine million, nine hundred eighty thousand, twenty-nine".