3992921227870 has 16 divisors (see below), whose sum is σ = 7187787279648. Its totient is φ = 1597050920160.

The previous prime is 3992921227849. The next prime is 3992921227909. The reversal of 3992921227870 is 787221292993.

3992921227870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3992921227799 and 3992921227808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14553669 + ... + 14825488.

It is an arithmetic number, because the mean of its divisors is an integer number (449236704978).

Almost surely, 2^{3992921227870} is an apocalyptic number.

3992921227870 is a deficient number, since it is larger than the sum of its proper divisors (3194866051778).

3992921227870 is a wasteful number, since it uses less digits than its factorization.

3992921227870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29392755.

The product of its (nonzero) digits is 13716864, while the sum is 61.

The spelling of 3992921227870 in words is "three trillion, nine hundred ninety-two billion, nine hundred twenty-one million, two hundred twenty-seven thousand, eight hundred seventy".