38893756225 has 9 divisors (see below), whose sum is σ = 48229480483. Its totient is φ = 31114216120.

The previous prime is 38893756183. The next prime is 38893756273. The reversal of 38893756225 is 52265739883.

The square root of 38893756225 is 197215.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 14001752241 + 24892003984 = 118329^2 + 157772^2 .

It is not a de Polignac number, because 38893756225 - 2¹¹ = 38893754177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38893756225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 966354 + ... + 1005796.

Almost surely, 2^38893756225 is an apocalyptic number.

38893756225 is the 197215-th square number.

38893756225 is the 98608-th centered octagonal number.

It is an amenable number.

38893756225 is a deficient number, since it is larger than the sum of its proper divisors (9335724258).

38893756225 is an frugal number, since it uses more digits than its factorization.

38893756225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78896 (or 39448 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 58.

The spelling of 38893756225 in words is "thirty-eight billion, eight hundred ninety-three million, seven hundred fifty-six thousand, two hundred twenty-five".