538907707 has 6 divisors (see below), whose sum is σ = 583551132. Its totient is φ = 497453112.

The previous prime is 538907693. The next prime is 538907717. The reversal of 538907707 is 707709835.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-538907707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538907717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1594233 + ... + 1594570.

It is an arithmetic number, because the mean of its divisors is an integer number (97258522).

Almost surely, 2^538907707 is an apocalyptic number.

538907707 is a deficient number, since it is larger than the sum of its proper divisors (44643425).

538907707 is a wasteful number, since it uses less digits than its factorization.

538907707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3188829 (or 3188816 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 46.

The square root of 538907707 is about 23214.3857769272. The cubic root of 538907707 is about 813.7758515088.

The spelling of 538907707 in words is "five hundred thirty-eight million, nine hundred seven thousand, seven hundred seven".