3972663607 has 4 divisors (see below), whose sum is σ = 4333814856. Its totient is φ = 3611512360.

The previous prime is 3972663593. The next prime is 3972663623. The reversal of 3972663607 is 7063662793.

3972663607 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3972663607 - 2¹¹ = 3972661559 is a prime.

It is a super-2 number, since 2×3972663607² = 31564112268764500898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3972663677) 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, 180575608 + ... + 180575629.

It is an arithmetic number, because the mean of its divisors is an integer number (1083453714).

Almost surely, 2^3972663607 is an apocalyptic number.

3972663607 is a deficient number, since it is larger than the sum of its proper divisors (361151249).

3972663607 is a wasteful number, since it uses less digits than its factorization.

3972663607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361151248.

The product of its (nonzero) digits is 1714608, while the sum is 49.

The square root of 3972663607 is about 63029.0695393800. The cubic root of 3972663607 is about 1583.7766312532.

The spelling of 3972663607 in words is "three billion, nine hundred seventy-two million, six hundred sixty-three thousand, six hundred seven".