507961869 has 8 divisors (see below), whose sum is σ = 677645280. Its totient is φ = 338459856.

The previous prime is 507961859. The next prime is 507961871. The reversal of 507961869 is 968169705.

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

It is not a de Polignac number, because 507961869 - 2⁹ = 507961357 is a prime.

It is a super-2 number, since 2×507961869² = 516050520715946322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507961829) 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, 38674 + ... + 50115.

It is an arithmetic number, because the mean of its divisors is an integer number (84705660).

Almost surely, 2^507961869 is an apocalyptic number.

It is an amenable number.

507961869 is a deficient number, since it is larger than the sum of its proper divisors (169683411).

507961869 is a wasteful number, since it uses less digits than its factorization.

507961869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90699.

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 507961869 is about 22538.0094285187. The cubic root of 507961869 is about 797.8912531381.

The spelling of 507961869 in words is "five hundred seven million, nine hundred sixty-one thousand, eight hundred sixty-nine".