3678776125 has 16 divisors (see below), whose sum is σ = 4599442224. Its totient is φ = 2937681600.

The previous prime is 3678776117. The next prime is 3678776137. The reversal of 3678776125 is 5216778763.

It can be written as a sum of positive squares in 8 ways, for example, as 3242049721 + 436726404 = 56939^2 + 20898^2 .

It is not a de Polignac number, because 3678776125 - 2³ = 3678776117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43207 + ... + 96043.

It is an arithmetic number, because the mean of its divisors is an integer number (287465139).

Almost surely, 2^3678776125 is an apocalyptic number.

It is an amenable number.

3678776125 is a deficient number, since it is larger than the sum of its proper divisors (920666099).

3678776125 is an equidigital number, since it uses as much as digits as its factorization.

3678776125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53409 (or 53399 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 52.

The square root of 3678776125 is about 60652.9152226008. The cubic root of 3678776125 is about 1543.7173541261.

The spelling of 3678776125 in words is "three billion, six hundred seventy-eight million, seven hundred seventy-six thousand, one hundred twenty-five".