3786342978 has 32 divisors (see below), whose sum is σ = 8484390720. Its totient is φ = 1116365760.

The previous prime is 3786342947. The next prime is 3786342997. The reversal of 3786342978 is 8792436873.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 772813 + ... + 777696.

It is an arithmetic number, because the mean of its divisors is an integer number (265137210).

Almost surely, 2^3786342978 is an apocalyptic number.

3786342978 is an abundant number, since it is smaller than the sum of its proper divisors (4698047742).

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

3786342978 is a wasteful number, since it uses less digits than its factorization.

3786342978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550562.

The product of its digits is 12192768, while the sum is 57.

The square root of 3786342978 is about 61533.2672462628. The cubic root of 3786342978 is about 1558.6190631076.

The spelling of 3786342978 in words is "three billion, seven hundred eighty-six million, three hundred forty-two thousand, nine hundred seventy-eight".