38877899 has 4 divisors (see below), whose sum is σ = 38900136. Its totient is φ = 38855664.

The previous prime is 38877887. The next prime is 38877901. The reversal of 38877899 is 99877883.

38877899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38877899 - 2¹² = 38873803 is a prime.

It is a super-2 number, since 2×38877899² = 3022982061308402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38877299) 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 3 ways as a sum of consecutive naturals, for example, 8249 + ... + 12074.

It is an arithmetic number, because the mean of its divisors is an integer number (9725034).

Almost surely, 2^38877899 is an apocalyptic number.

38877899 is a deficient number, since it is larger than the sum of its proper divisors (22237).

38877899 is a wasteful number, since it uses less digits than its factorization.

38877899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22236.

The product of its digits is 6096384, while the sum is 59.

The square root of 38877899 is about 6235.2144309558. The cubic root of 38877899 is about 338.7668680752.

It can be divided in two parts, 388 and 77899, that added together give a palindrome (78287).

The spelling of 38877899 in words is "thirty-eight million, eight hundred seventy-seven thousand, eight hundred ninety-nine".