38988477025 has 81 divisors (see below), whose sum is σ = 54223669003. Its totient is φ = 27801664000.

The previous prime is 38988477013. The next prime is 38988477037. The reversal of 38988477025 is 52077488983.

The square root of 38988477025 is 197455.

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

It is an interprime number because it is at equal distance from previous prime (38988477013) and next prime (38988477037).

It can be written as a sum of positive squares in 13 ways, for example, as 81703521 + 38906773504 = 9039^2 + 197248^2 .

It is not a de Polignac number, because 38988477025 - 2⁵ = 38988476993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 386024475 + ... + 386024575.

Almost surely, 2^38988477025 is an apocalyptic number.

38988477025 is the 197455-th square number.

38988477025 is the 98728-th centered octagonal number.

It is an amenable number.

38988477025 is a deficient number, since it is larger than the sum of its proper divisors (15235191978).

38988477025 is a wasteful number, since it uses less digits than its factorization.

38988477025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 61.

The spelling of 38988477025 in words is "thirty-eight billion, nine hundred eighty-eight million, four hundred seventy-seven thousand, twenty-five".