536991867 has 6 divisors (see below), whose sum is σ = 775654932. Its totient is φ = 357994572.

The previous prime is 536991809. The next prime is 536991893. The reversal of 536991867 is 768199635.

536991867 is a `hidden beast` number, since 536 + 99 + 18 + 6 + 7 = 666.

It is not a de Polignac number, because 536991867 - 2¹⁰ = 536990843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (536991067) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29832873 + ... + 29832890.

It is an arithmetic number, because the mean of its divisors is an integer number (129275822).

Almost surely, 2^536991867 is an apocalyptic number.

536991867 is a deficient number, since it is larger than the sum of its proper divisors (238663065).

536991867 is a wasteful number, since it uses less digits than its factorization.

536991867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59665769 (or 59665766 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 536991867 is about 23173.0849694209. The cubic root of 536991867 is about 812.8103704823.

The spelling of 536991867 in words is "five hundred thirty-six million, nine hundred ninety-one thousand, eight hundred sixty-seven".