8939645077 has 8 divisors (see below), whose sum is σ = 9808714080. Its totient is φ = 8079971760.

The previous prime is 8939645069. The next prime is 8939645081. The reversal of 8939645077 is 7705469398.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8939645077 - 2³ = 8939645069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8939645017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2346927 + ... + 2350732.

It is an arithmetic number, because the mean of its divisors is an integer number (1226089260).

Almost surely, 2^8939645077 is an apocalyptic number.

It is an amenable number.

8939645077 is a deficient number, since it is larger than the sum of its proper divisors (869069003).

8939645077 is a wasteful number, since it uses less digits than its factorization.

8939645077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4697843.

The product of its (nonzero) digits is 11430720, while the sum is 58.

The square root of 8939645077 is about 94549.6963347847. The cubic root of 8939645077 is about 2075.4236384362.

The spelling of 8939645077 in words is "eight billion, nine hundred thirty-nine million, six hundred forty-five thousand, seventy-seven".