4379641987 has 8 divisors (see below), whose sum is σ = 5268742400. Its totient is φ = 3556400904.

The previous prime is 4379641969. The next prime is 4379641999. The reversal of 4379641987 is 7891469734.

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

It is a de Polignac number, because none of the positive numbers 2^k-4379641987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4379641907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16464687 + ... + 16464952.

It is an arithmetic number, because the mean of its divisors is an integer number (658592800).

Almost surely, 2^4379641987 is an apocalyptic number.

4379641987 is a deficient number, since it is larger than the sum of its proper divisors (889100413).

4379641987 is a wasteful number, since it uses less digits than its factorization.

4379641987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32929665.

The product of its digits is 9144576, while the sum is 58.

The square root of 4379641987 is about 66178.8635970730. The cubic root of 4379641987 is about 1636.1113981480. Note that the first 3 decimals are identical.

The spelling of 4379641987 in words is "four billion, three hundred seventy-nine million, six hundred forty-one thousand, nine hundred eighty-seven".