38078505 has 40 divisors (see below), whose sum is σ = 68789952. Its totient is φ = 20151072.

The previous prime is 38078503. The next prime is 38078519. The reversal of 38078505 is 50587083.

It is a happy number.

38078505 is a `hidden beast` number, since 3 + 80 + 78 + 505 = 666.

It is not a de Polignac number, because 38078505 - 2¹ = 38078503 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 38078505.

It is not an unprimeable number, because it can be changed into a prime (38078503) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 67354 + ... + 67916.

Almost surely, 2^38078505 is an apocalyptic number.

It is an amenable number.

38078505 is a deficient number, since it is larger than the sum of its proper divisors (30711447).

38078505 is a wasteful number, since it uses less digits than its factorization.

38078505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 38078505 is about 6170.7783139568. The cubic root of 38078505 is about 336.4289006216.

It can be divided in two parts, 38078 and 505, that added together give a palindrome (38583).

The spelling of 38078505 in words is "thirty-eight million, seventy-eight thousand, five hundred five".