38878725 has 24 divisors (see below), whose sum is σ = 64724032. Its totient is φ = 20592000.

The previous prime is 38878687. The next prime is 38878727. The reversal of 38878725 is 52787883.

It is not a de Polignac number, because 38878725 - 2⁶ = 38878661 is a prime.

It is a Duffinian number.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 9609 + ... + 13041.

Almost surely, 2^38878725 is an apocalyptic number.

It is an amenable number.

38878725 is a deficient number, since it is larger than the sum of its proper divisors (25845307).

38878725 is a wasteful number, since it uses less digits than its factorization.

38878725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3597 (or 3592 counting only the distinct ones).

The product of its digits is 752640, while the sum is 48.

The square root of 38878725 is about 6235.2806672996. The cubic root of 38878725 is about 338.7692672057.

The spelling of 38878725 in words is "thirty-eight million, eight hundred seventy-eight thousand, seven hundred twenty-five".