3747768978 has 8 divisors (see below), whose sum is σ = 7495537968. Its totient is φ = 1249256324.

The previous prime is 3747768929. The next prime is 3747768979. The reversal of 3747768978 is 8798677473.

It is a sphenic number, since it is the product of 3 distinct primes.

3747768978 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (3747768979) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 312314076 + ... + 312314087.

It is an arithmetic number, because the mean of its divisors is an integer number (936942246).

Almost surely, 2^3747768978 is an apocalyptic number.

3747768978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3747768978 is a wasteful number, since it uses less digits than its factorization.

3747768978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624628168.

The product of its digits is 99574272, while the sum is 66.

The square root of 3747768978 is about 61219.0246410379. The cubic root of 3747768978 is about 1553.3080894524.

The spelling of 3747768978 in words is "three billion, seven hundred forty-seven million, seven hundred sixty-eight thousand, nine hundred seventy-eight".