539478715 has 4 divisors (see below), whose sum is σ = 647374464. Its totient is φ = 431582968.

The previous prime is 539478691. The next prime is 539478727. The reversal of 539478715 is 517874935.

It is a happy number.

539478715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 517874935 = 5 ⋅103574987.

It is a cyclic number.

It is not a de Polignac number, because 539478715 - 2⁷ = 539478587 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53947867 + ... + 53947876.

It is an arithmetic number, because the mean of its divisors is an integer number (161843616).

Almost surely, 2^539478715 is an apocalyptic number.

539478715 is a deficient number, since it is larger than the sum of its proper divisors (107895749).

539478715 is a wasteful number, since it uses less digits than its factorization.

539478715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107895748.

The product of its digits is 1058400, while the sum is 49.

The square root of 539478715 is about 23226.6811016985. The cubic root of 539478715 is about 814.0631663217.

The spelling of 539478715 in words is "five hundred thirty-nine million, four hundred seventy-eight thousand, seven hundred fifteen".