8977820039 has 4 divisors (see below), whose sum is σ = 8978640456. Its totient is φ = 8976999624.

The previous prime is 8977820011. The next prime is 8977820041. The reversal of 8977820039 is 9300287798.

8977820039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8977820039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8977828039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393569 + ... + 415754.

It is an arithmetic number, because the mean of its divisors is an integer number (2244660114).

Almost surely, 2^8977820039 is an apocalyptic number.

8977820039 is a deficient number, since it is larger than the sum of its proper divisors (820417).

8977820039 is a wasteful number, since it uses less digits than its factorization.

8977820039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820416.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The square root of 8977820039 is about 94751.3590351083. The cubic root of 8977820039 is about 2078.3736700891.

The spelling of 8977820039 in words is "eight billion, nine hundred seventy-seven million, eight hundred twenty thousand, thirty-nine".