38878755 has 8 divisors (see below), whose sum is σ = 62206032. Its totient is φ = 20735328.

The previous prime is 38878739. The next prime is 38878759. The reversal of 38878755 is 55787883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38878755 - 2⁴ = 38878739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38878698 and 38878707.

It is not an unprimeable number, because it can be changed into a prime (38878759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1295944 + ... + 1295973.

It is an arithmetic number, because the mean of its divisors is an integer number (7775754).

Almost surely, 2^38878755 is an apocalyptic number.

38878755 is a deficient number, since it is larger than the sum of its proper divisors (23327277).

38878755 is a wasteful number, since it uses less digits than its factorization.

38878755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591925.

The product of its digits is 1881600, while the sum is 51.

The square root of 38878755 is about 6235.2830729647. The cubic root of 38878755 is about 338.7693543405.

The spelling of 38878755 in words is "thirty-eight million, eight hundred seventy-eight thousand, seven hundred fifty-five".