3997272668415 has 32 divisors (see below), whose sum is σ = 6929863610880. Its totient is φ = 1955815134336.

The previous prime is 3997272668387. The next prime is 3997272668423. The reversal of 3997272668415 is 5148662727993.

3997272668415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3997272668415 - 2⁹ = 3997272667903 is a prime.

It is a super-2 number, since 2×3997272668415² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3997272668415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62848075 + ... + 62911644.

It is an arithmetic number, because the mean of its divisors is an integer number (216558237840).

Almost surely, 2^{3997272668415} is an apocalyptic number.

3997272668415 is a deficient number, since it is larger than the sum of its proper divisors (2932590942465).

3997272668415 is a wasteful number, since it uses less digits than its factorization.

3997272668415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125759903.

The product of its digits is 274337280, while the sum is 69.

The spelling of 3997272668415 in words is "three trillion, nine hundred ninety-seven billion, two hundred seventy-two million, six hundred sixty-eight thousand, four hundred fifteen".