36811863 has 12 divisors (see below), whose sum is σ = 58006728. Its totient is φ = 22310160.

The previous prime is 36811861. The next prime is 36811871.

36811863 is nontrivially palindromic in base 10.

36811863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 36811863 - 2¹ = 36811861 is a prime.

It is a super-2 number, since 2×36811863² = 2710226515061538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36811861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185820 + ... + 186017.

It is an arithmetic number, because the mean of its divisors is an integer number (4833894).

Almost surely, 2^36811863 is an apocalyptic number.

36811863 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

36811863 is a deficient number, since it is larger than the sum of its proper divisors (21194865).

36811863 is a wasteful number, since it uses less digits than its factorization.

36811863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371854 (or 371851 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 36811863 is about 6067.2780552732. The cubic root of 36811863 is about 332.6564375891.

The spelling of 36811863 in words is "thirty-six million, eight hundred eleven thousand, eight hundred sixty-three".