38878723 has 8 divisors (see below), whose sum is σ = 41918688. Its totient is φ = 35845824.

The previous prime is 38878687. The next prime is 38878727. The reversal of 38878723 is 32787883.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38878723 is a prime.

It is a super-2 number, since 2×38878723² = 3023110204221458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38878727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17586 + ... + 19672.

It is an arithmetic number, because the mean of its divisors is an integer number (5239836).

Almost surely, 2^38878723 is an apocalyptic number.

38878723 is a deficient number, since it is larger than the sum of its proper divisors (3039965).

38878723 is a wasteful number, since it uses less digits than its factorization.

38878723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3533.

The product of its digits is 451584, while the sum is 46.

The square root of 38878723 is about 6235.2805069219. The cubic root of 38878723 is about 338.7692613967.

It can be divided in two parts, 38878 and 723, that added together give a square (39601 = 199²).

The spelling of 38878723 in words is "thirty-eight million, eight hundred seventy-eight thousand, seven hundred twenty-three".