3979783959 has 8 divisors (see below), whose sum is σ = 5308614912. Its totient is φ = 2652071160.

The previous prime is 3979783949. The next prime is 3979783979. The reversal of 3979783959 is 9593879793.

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

It is not a de Polignac number, because 3979783959 - 2⁷ = 3979783831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3979783893 and 3979783902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3979783919) 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, 271197 + ... + 285494.

It is an arithmetic number, because the mean of its divisors is an integer number (663576864).

Almost surely, 2^3979783959 is an apocalyptic number.

3979783959 is a deficient number, since it is larger than the sum of its proper divisors (1328830953).

3979783959 is a wasteful number, since it uses less digits than its factorization.

3979783959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559077.

The product of its digits is 115736040, while the sum is 69.

The square root of 3979783959 is about 63085.5289190794. The cubic root of 3979783959 is about 1584.7222869892.

The spelling of 3979783959 in words is "three billion, nine hundred seventy-nine million, seven hundred eighty-three thousand, nine hundred fifty-nine".