539779692 has 12 divisors (see below), whose sum is σ = 1259485976. Its totient is φ = 179926560.

The previous prime is 539779649. The next prime is 539779693. The reversal of 539779692 is 296977935.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×539779692² = 582724231791229728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (539779693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22490809 + ... + 22490832.

Almost surely, 2^539779692 is an apocalyptic number.

It is an amenable number.

539779692 is an abundant number, since it is smaller than the sum of its proper divisors (719706284).

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

539779692 is a wasteful number, since it uses less digits than its factorization.

539779692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44981648 (or 44981646 counting only the distinct ones).

The product of its digits is 6429780, while the sum is 57.

The square root of 539779692 is about 23233.1593202474. The cubic root of 539779692 is about 814.2145277082.

The spelling of 539779692 in words is "five hundred thirty-nine million, seven hundred seventy-nine thousand, six hundred ninety-two".