36447799 has 4 divisors (see below), whose sum is σ = 36991864. Its totient is φ = 35903736.

The previous prime is 36447797. The next prime is 36447821. The reversal of 36447799 is 99774463.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99774463 = 173 ⋅576731.

It is a cyclic number.

It is not a de Polignac number, because 36447799 - 2¹ = 36447797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36447793) 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, 271932 + ... + 272065.

It is an arithmetic number, because the mean of its divisors is an integer number (9247966).

Almost surely, 2^36447799 is an apocalyptic number.

36447799 is a deficient number, since it is larger than the sum of its proper divisors (544065).

36447799 is an equidigital number, since it uses as much as digits as its factorization.

36447799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544064.

The product of its digits is 1143072, while the sum is 49.

The square root of 36447799 is about 6037.2012555488. The cubic root of 36447799 is about 331.5561610369.

The spelling of 36447799 in words is "thirty-six million, four hundred forty-seven thousand, seven hundred ninety-nine".