3724196978 has 8 divisors (see below), whose sum is σ = 5589671772. Its totient is φ = 1860973056.

The previous prime is 3724196977. The next prime is 3724196989. The reversal of 3724196978 is 8796914273.

It can be written as a sum of positive squares in 2 ways, for example, as 3662307289 + 61889689 = 60517^2 + 7867^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3724196977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558575 + ... + 565202.

Almost surely, 2^3724196978 is an apocalyptic number.

3724196978 is a deficient number, since it is larger than the sum of its proper divisors (1865474794).

3724196978 is a wasteful number, since it uses less digits than its factorization.

3724196978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125436.

The product of its digits is 4572288, while the sum is 56.

The square root of 3724196978 is about 61026.1991115291. The cubic root of 3724196978 is about 1550.0446713452.

The spelling of 3724196978 in words is "three billion, seven hundred twenty-four million, one hundred ninety-six thousand, nine hundred seventy-eight".