38696791225 has 9 divisors (see below), whose sum is σ = 47985240783. Its totient is φ = 30956646120.

The previous prime is 38696791213. The next prime is 38696791249. The reversal of 38696791225 is 52219769683.

The square root of 38696791225 is 196715.

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., 13930844841 + 24765946384 = 118029^2 + 157372^2 .

It is not a de Polignac number, because 38696791225 - 2¹⁷ = 38696660153 is a prime.

It is a super-2 number, since 2×38696791225² (a number of 22 digits) contains 22 as substring.

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 38696791225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 963904 + ... + 1003246.

Almost surely, 2^38696791225 is an apocalyptic number.

38696791225 is the 196715-th square number.

38696791225 is the 98358-th centered octagonal number.

It is an amenable number.

38696791225 is a deficient number, since it is larger than the sum of its proper divisors (9288449558).

38696791225 is an frugal number, since it uses more digits than its factorization.

38696791225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78696 (or 39348 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 58.

It can be divided in two parts, 38696 and 791225, that added together give a square (829921 = 911²).

The spelling of 38696791225 in words is "thirty-eight billion, six hundred ninety-six million, seven hundred ninety-one thousand, two hundred twenty-five".