38780115 has 32 divisors (see below), whose sum is σ = 68414976. Its totient is φ = 18600960.

The previous prime is 38780089. The next prime is 38780141. The reversal of 38780115 is 51108783.

It is an interprime number because it is at equal distance from previous prime (38780089) and next prime (38780141).

It is not a de Polignac number, because 38780115 - 2¹¹ = 38778067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14794 + ... + 17216.

It is an arithmetic number, because the mean of its divisors is an integer number (2137968).

Almost surely, 2^38780115 is an apocalyptic number.

38780115 is a deficient number, since it is larger than the sum of its proper divisors (29634861).

38780115 is a wasteful number, since it uses less digits than its factorization.

38780115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 38780115 is about 6227.3682242180. The cubic root of 38780115 is about 338.4826123970.

Adding to 38780115 its reverse (51108783), we get a palindrome (89888898).

The spelling of 38780115 in words is "thirty-eight million, seven hundred eighty thousand, one hundred fifteen".