507989705 has 16 divisors (see below), whose sum is σ = 621129600. Its totient is φ = 398724480.

The previous prime is 507989693. The next prime is 507989711.

507989705 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 507989705 - 2⁴ = 507989689 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184781 + ... + 187509.

It is an arithmetic number, because the mean of its divisors is an integer number (38820600).

Almost surely, 2^507989705 is an apocalyptic number.

It is an amenable number.

507989705 is a deficient number, since it is larger than the sum of its proper divisors (113139895).

507989705 is a wasteful number, since it uses less digits than its factorization.

507989705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424.

The product of its (nonzero) digits is 793800, while the sum is 50.

The square root of 507989705 is about 22538.6269546306. The cubic root of 507989705 is about 797.9058275229.

The spelling of 507989705 in words is "five hundred seven million, nine hundred eighty-nine thousand, seven hundred five".