3943089977 has 4 divisors (see below), whose sum is σ = 3943384656. Its totient is φ = 3942795300.

The previous prime is 3943089937. The next prime is 3943089979. The reversal of 3943089977 is 7799803493.

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.

It is a cyclic number.

It is not a de Polignac number, because 3943089977 - 2⁸ = 3943089721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3943089979) 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, 126263 + ... + 154364.

It is an arithmetic number, because the mean of its divisors is an integer number (985846164).

Almost surely, 2^3943089977 is an apocalyptic number.

It is an amenable number.

3943089977 is a deficient number, since it is larger than the sum of its proper divisors (294679).

3943089977 is a wasteful number, since it uses less digits than its factorization.

3943089977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294678.

The product of its (nonzero) digits is 10287648, while the sum is 59.

The square root of 3943089977 is about 62794.0281953627. The cubic root of 3943089977 is about 1579.8368117791.

The spelling of 3943089977 in words is "three billion, nine hundred forty-three million, eighty-nine thousand, nine hundred seventy-seven".