3678456877 has 2 divisors, whose sum is σ = 3678456878. Its totient is φ = 3678456876.

The previous prime is 3678456871. The next prime is 3678456913. The reversal of 3678456877 is 7786548763.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3622715721 + 55741156 = 60189^2 + 7466^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3678456877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3678456871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1839228438 + 1839228439.

It is an arithmetic number, because the mean of its divisors is an integer number (1839228439).

Almost surely, 2^3678456877 is an apocalyptic number.

It is an amenable number.

3678456877 is a deficient number, since it is larger than the sum of its proper divisors (1).

3678456877 is an equidigital number, since it uses as much as digits as its factorization.

3678456877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47416320, while the sum is 61.

The square root of 3678456877 is about 60650.2834041194. The cubic root of 3678456877 is about 1543.6726977044.

The spelling of 3678456877 in words is "three billion, six hundred seventy-eight million, four hundred fifty-six thousand, eight hundred seventy-seven".