3978676250 has 20 divisors (see below), whose sum is σ = 7457633106. Its totient is φ = 1591470000.

The previous prime is 3978676249. The next prime is 3978676283. The reversal of 3978676250 is 526768793.

It can be written as a sum of positive squares in 5 ways, for example, as 61042969 + 3917633281 = 7813^2 + 62591^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3978676192 and 3978676201.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1590221 + ... + 1592720.

Almost surely, 2^3978676250 is an apocalyptic number.

3978676250 is a deficient number, since it is larger than the sum of its proper divisors (3478956856).

3978676250 is an equidigital number, since it uses as much as digits as its factorization.

3978676250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3182963 (or 3182948 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 53.

The square root of 3978676250 is about 63076.7488857820. The cubic root of 3978676250 is about 1584.5752460069.

The spelling of 3978676250 in words is "three billion, nine hundred seventy-eight million, six hundred seventy-six thousand, two hundred fifty".