3977632979 has 8 divisors (see below), whose sum is σ = 4043135040. Its totient is φ = 3912428736.

The previous prime is 3977632973. The next prime is 3977632993. The reversal of 3977632979 is 9792367793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3977632979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3977632973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47444 + ... + 101025.

It is an arithmetic number, because the mean of its divisors is an integer number (505391880).

Almost surely, 2^3977632979 is an apocalyptic number.

3977632979 is a deficient number, since it is larger than the sum of its proper divisors (65502061).

3977632979 is a wasteful number, since it uses less digits than its factorization.

3977632979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148909.

The product of its digits is 27005076, while the sum is 62.

The square root of 3977632979 is about 63068.4784896544. The cubic root of 3977632979 is about 1584.4367337805.

The spelling of 3977632979 in words is "three billion, nine hundred seventy-seven million, six hundred thirty-two thousand, nine hundred seventy-nine".