538211707 has 8 divisors (see below), whose sum is σ = 612668160. Its totient is φ = 468009960.

The previous prime is 538211701. The next prime is 538211717. The reversal of 538211707 is 707112835.

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

It is not a de Polignac number, because 538211707 - 2¹⁵ = 538178939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538211701) 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, 1063407 + ... + 1063912.

It is an arithmetic number, because the mean of its divisors is an integer number (76583520).

Almost surely, 2^538211707 is an apocalyptic number.

538211707 is a deficient number, since it is larger than the sum of its proper divisors (74456453).

538211707 is a wasteful number, since it uses less digits than its factorization.

538211707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127353.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 538211707 is about 23199.3902290556. The cubic root of 538211707 is about 813.4253697283.

The spelling of 538211707 in words is "five hundred thirty-eight million, two hundred eleven thousand, seven hundred seven".