3997055873790 has 48 divisors (see below), whose sum is σ = 11876966026848. Its totient is φ = 913612771008.

The previous prime is 3997055873771. The next prime is 3997055873791. The reversal of 3997055873790 is 973785507993.

3997055873790 is a `hidden beast` number, since 3 + 9 + 9 + 7 + 0 + 5 + 587 + 37 + 9 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3997055873791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3172265937 + ... + 3172267196.

It is an arithmetic number, because the mean of its divisors is an integer number (247436792226).

Almost surely, 2^{3997055873790} is an apocalyptic number.

3997055873790 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3997055873790 is an abundant number, since it is smaller than the sum of its proper divisors (7879910153058).

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

3997055873790 is a wasteful number, since it uses less digits than its factorization.

3997055873790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6344533153 (or 6344533150 counting only the distinct ones).

The product of its (nonzero) digits is 450084600, while the sum is 72.

The spelling of 3997055873790 in words is "three trillion, nine hundred ninety-seven billion, fifty-five million, eight hundred seventy-three thousand, seven hundred ninety".