36688887 has 18 divisors (see below), whose sum is σ = 55430856. Its totient is φ = 23340240.

The previous prime is 36688871. The next prime is 36688889. The reversal of 36688887 is 78888663.

It is a happy number.

It is not a de Polignac number, because 36688887 - 2⁴ = 36688871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36688889) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 86937 + ... + 87357.

It is an arithmetic number, because the mean of its divisors is an integer number (3079492).

Almost surely, 2^36688887 is an apocalyptic number.

36688887 is a deficient number, since it is larger than the sum of its proper divisors (18741969).

36688887 is an equidigital number, since it uses as much as digits as its factorization.

36688887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 447 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The square root of 36688887 is about 6057.1352139440. The cubic root of 36688887 is about 332.2855933958.

It can be divided in two parts, 366 and 88887, that added together give a triangular number (89253 = T₄₂₂).

The spelling of 36688887 in words is "thirty-six million, six hundred eighty-eight thousand, eight hundred eighty-seven".