36880509 has 4 divisors (see below), whose sum is σ = 49174016. Its totient is φ = 24587004.

The previous prime is 36880507. The next prime is 36880513. The reversal of 36880509 is 90508863.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90508863 = 3 ⋅30169621.

It is not a de Polignac number, because 36880509 - 2¹ = 36880507 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36880507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6146749 + ... + 6146754.

It is an arithmetic number, because the mean of its divisors is an integer number (12293504).

Almost surely, 2^36880509 is an apocalyptic number.

It is an amenable number.

36880509 is a deficient number, since it is larger than the sum of its proper divisors (12293507).

36880509 is a wasteful number, since it uses less digits than its factorization.

36880509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12293506.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 36880509 is about 6072.9324876867. The cubic root of 36880509 is about 332.8630861369.

The spelling of 36880509 in words is "thirty-six million, eight hundred eighty thousand, five hundred nine".