36881577 has 6 divisors (see below), whose sum is σ = 53273402. Its totient is φ = 24587712.

The previous prime is 36881561. The next prime is 36881597. The reversal of 36881577 is 77518863.

It can be written as a sum of positive squares in only one way, i.e., 31573161 + 5308416 = 5619^2 + 2304^2 .

It is not a de Polignac number, because 36881577 - 2⁴ = 36881561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36881597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2048968 + ... + 2048985.

Almost surely, 2^36881577 is an apocalyptic number.

It is an amenable number.

36881577 is a deficient number, since it is larger than the sum of its proper divisors (16391825).

36881577 is a wasteful number, since it uses less digits than its factorization.

36881577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4097959 (or 4097956 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 36881577 is about 6073.0204182104. The cubic root of 36881577 is about 332.8662991651.

The spelling of 36881577 in words is "thirty-six million, eight hundred eighty-one thousand, five hundred seventy-seven".