8942456977 has 4 divisors (see below), whose sum is σ = 9468483876. Its totient is φ = 8416430080.

The previous prime is 8942456923. The next prime is 8942457037. The reversal of 8942456977 is 7796542498.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4200206481 + 4742250496 = 64809^2 + 68864^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8942456977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8942486977) 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, 263013424 + ... + 263013457.

It is an arithmetic number, because the mean of its divisors is an integer number (2367120969).

Almost surely, 2^8942456977 is an apocalyptic number.

It is an amenable number.

8942456977 is a deficient number, since it is larger than the sum of its proper divisors (526026899).

8942456977 is a wasteful number, since it uses less digits than its factorization.

8942456977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526026898.

The product of its digits is 30481920, while the sum is 61.

The square root of 8942456977 is about 94564.5651235176. The cubic root of 8942456977 is about 2075.6412187357.

The spelling of 8942456977 in words is "eight billion, nine hundred forty-two million, four hundred fifty-six thousand, nine hundred seventy-seven".