36771987 has 8 divisors (see below), whose sum is σ = 56033536. Its totient is φ = 21012552.

The previous prime is 36771967. The next prime is 36771989. The reversal of 36771987 is 78917763.

It is a happy number.

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

It is not a de Polignac number, because 36771987 - 2¹⁰ = 36770963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36771989) 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, 875503 + ... + 875544.

It is an arithmetic number, because the mean of its divisors is an integer number (7004192).

Almost surely, 2^36771987 is an apocalyptic number.

36771987 is a deficient number, since it is larger than the sum of its proper divisors (19261549).

36771987 is a wasteful number, since it uses less digits than its factorization.

36771987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751057.

The product of its digits is 444528, while the sum is 48.

The square root of 36771987 is about 6063.9910125263. The cubic root of 36771987 is about 332.5362788538.

The spelling of 36771987 in words is "thirty-six million, seven hundred seventy-one thousand, nine hundred eighty-seven".