3778943970 has 16 divisors (see below), whose sum is σ = 9069465600. Its totient is φ = 1007718384.

The previous prime is 3778943947. The next prime is 3778943981. The reversal of 3778943970 is 793498773.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3778943970.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 62982370 + ... + 62982429.

It is an arithmetic number, because the mean of its divisors is an integer number (566841600).

Almost surely, 2^3778943970 is an apocalyptic number.

3778943970 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3778943970 is an abundant number, since it is smaller than the sum of its proper divisors (5290521630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3778943970 is a wasteful number, since it uses less digits than its factorization.

3778943970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125964809.

The product of its (nonzero) digits is 8001504, while the sum is 57.

The square root of 3778943970 is about 61473.1158312315. The cubic root of 3778943970 is about 1557.6031527705.

The spelling of 3778943970 in words is "three billion, seven hundred seventy-eight million, nine hundred forty-three thousand, nine hundred seventy".