38706522625 has 16 divisors (see below), whose sum is σ = 48584991312. Its totient is φ = 30786211200.

The previous prime is 38706522623. The next prime is 38706522629. The reversal of 38706522625 is 52622560783.

It can be written as a sum of positive squares in 8 ways, for example, as 14999145841 + 23707376784 = 122471^2 + 153972^2 .

It is not a de Polignac number, because 38706522625 - 2¹ = 38706522623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38706522623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 873324 + ... + 916573.

It is an arithmetic number, because the mean of its divisors is an integer number (3036561957).

Almost surely, 2^38706522625 is an apocalyptic number.

It is an amenable number.

38706522625 is a deficient number, since it is larger than the sum of its proper divisors (9878468687).

38706522625 is a wasteful number, since it uses less digits than its factorization.

38706522625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790085 (or 1790075 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 38706522625 in words is "thirty-eight billion, seven hundred six million, five hundred twenty-two thousand, six hundred twenty-five".