4187979705 has 192 divisors, whose sum is σ = 8705014272. Its totient is φ = 1682104320.

The previous prime is 4187979703. The next prime is 4187979743. The reversal of 4187979705 is 5079797814.

It is not a de Polignac number, because 4187979705 - 2¹ = 4187979703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4187979703) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 57369549 + ... + 57369621.

It is an arithmetic number, because the mean of its divisors is an integer number (45338616).

Almost surely, 2^4187979705 is an apocalyptic number.

It is an amenable number.

4187979705 is an abundant number, since it is smaller than the sum of its proper divisors (4517034567).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4187979705 is a wasteful number, since it uses less digits than its factorization.

4187979705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 57.

The square root of 4187979705 is about 64714.6019457742. The cubic root of 4187979705 is about 1611.8879778207.

The spelling of 4187979705 in words is "four billion, one hundred eighty-seven million, nine hundred seventy-nine thousand, seven hundred five".