3940376677 has 4 divisors (see below), whose sum is σ = 3940721836. Its totient is φ = 3940031520.

The previous prime is 3940376599. The next prime is 3940376707. The reversal of 3940376677 is 7766730493.

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 938870881 + 3001505796 = 30641^2 + 54786^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3940376677 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 (3940346677) 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, 154848 + ... + 178489.

It is an arithmetic number, because the mean of its divisors is an integer number (985180459).

Almost surely, 2^3940376677 is an apocalyptic number.

It is an amenable number.

3940376677 is a deficient number, since it is larger than the sum of its proper divisors (345159).

3940376677 is a wasteful number, since it uses less digits than its factorization.

3940376677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345158.

The product of its (nonzero) digits is 4000752, while the sum is 52.

The square root of 3940376677 is about 62772.4197159867. The cubic root of 3940376677 is about 1579.4743587418.

The spelling of 3940376677 in words is "three billion, nine hundred forty million, three hundred seventy-six thousand, six hundred seventy-seven".