3979951479 has 24 divisors (see below), whose sum is σ = 6620245632. Its totient is φ = 2256892560.

The previous prime is 3979951477. The next prime is 3979951483. The reversal of 3979951479 is 9741599793.

3979951479 is a `hidden beast` number, since 3 + 9 + 79 + 95 + 1 + 479 = 666.

It is not a de Polignac number, because 3979951479 - 2¹ = 3979951477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3979951477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 232869 + ... + 249374.

It is an arithmetic number, because the mean of its divisors is an integer number (275843568).

Almost surely, 2^3979951479 is an apocalyptic number.

3979951479 is a deficient number, since it is larger than the sum of its proper divisors (2640294153).

3979951479 is a wasteful number, since it uses less digits than its factorization.

3979951479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482387 (or 482384 counting only the distinct ones).

The product of its digits is 19289340, while the sum is 63.

The square root of 3979951479 is about 63086.8566264004. The cubic root of 3979951479 is about 1584.7445217768.

The spelling of 3979951479 in words is "three billion, nine hundred seventy-nine million, nine hundred fifty-one thousand, four hundred seventy-nine".