3678977 has 2 divisors, whose sum is σ = 3678978. Its totient is φ = 3678976.

The previous prime is 3678973. The next prime is 3678979. The reversal of 3678977 is 7798763.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3671056 + 7921 = 1916^2 + 89^2 .

It is a cyclic number.

It is not a de Polignac number, because 3678977 - 2² = 3678973 is a prime.

Together with 3678979, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3678973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1839488 + 1839489.

It is an arithmetic number, because the mean of its divisors is an integer number (1839489).

Almost surely, 2^3678977 is an apocalyptic number.

It is an amenable number.

3678977 is a deficient number, since it is larger than the sum of its proper divisors (1).

3678977 is an equidigital number, since it uses as much as digits as its factorization.

3678977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 444528, while the sum is 47.

The square root of 3678977 is about 1918.0659529849. The cubic root of 3678977 is about 154.3745451204.

The spelling of 3678977 in words is "three million, six hundred seventy-eight thousand, nine hundred seventy-seven".