37525728663 has 12 divisors (see below), whose sum is σ = 54430627680. Its totient is φ = 24912476736.

The previous prime is 37525728649. The next prime is 37525728697. The reversal of 37525728663 is 36682752573.

It is a happy number.

37525728663 is a `hidden beast` number, since 3 + 7 + 5 + 2 + 572 + 8 + 6 + 63 = 666.

It is not a de Polignac number, because 37525728663 - 2¹⁸ = 37525466519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37525728463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8720706 + ... + 8725007.

It is an arithmetic number, because the mean of its divisors is an integer number (4535885640).

Almost surely, 2^37525728663 is an apocalyptic number.

37525728663 is a deficient number, since it is larger than the sum of its proper divisors (16904899017).

37525728663 is a wasteful number, since it uses less digits than its factorization.

37525728663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17445958 (or 17445955 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 54.

The spelling of 37525728663 in words is "thirty-seven billion, five hundred twenty-five million, seven hundred twenty-eight thousand, six hundred sixty-three".