3903978727980 has 48 divisors (see below), whose sum is σ = 12145711599840. Its totient is φ = 1041060993984.

The previous prime is 3903978727969. The next prime is 3903978727981. The reversal of 3903978727980 is 897278793093.

3903978727980 is a `hidden beast` number, since 3 + 90 + 397 + 8 + 7 + 2 + 79 + 80 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 3903978727899 and 3903978727908.

It is not an unprimeable number, because it can be changed into a prime (3903978727981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3614794579 + ... + 3614795658.

It is an arithmetic number, because the mean of its divisors is an integer number (253035658330).

Almost surely, 2^{3903978727980} is an apocalyptic number.

3903978727980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3903978727980 is an abundant number, since it is smaller than the sum of its proper divisors (8241732871860).

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

3903978727980 is a wasteful number, since it uses less digits than its factorization.

3903978727980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7229590255 (or 7229590247 counting only the distinct ones).

The product of its (nonzero) digits is 288054144, while the sum is 72.

The spelling of 3903978727980 in words is "three trillion, nine hundred three billion, nine hundred seventy-eight million, seven hundred twenty-seven thousand, nine hundred eighty".