38475677565 has 40 divisors (see below), whose sum is σ = 74276702808. Its totient is φ = 18941869440.

The previous prime is 38475677563. The next prime is 38475677609. The reversal of 38475677565 is 56577657483.

It is a happy number.

38475677565 is a `hidden beast` number, since 3 + 8 + 4 + 7 + 5 + 67 + 7 + 565 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5910226884 + 32565450681 = 76878^2 + 180459^2 .

It is not a de Polignac number, because 38475677565 - 2¹ = 38475677563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38475677561) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3648646 + ... + 3659175.

Almost surely, 2^38475677565 is an apocalyptic number.

It is an amenable number.

38475677565 is a deficient number, since it is larger than the sum of its proper divisors (35801025243).

38475677565 is a wasteful number, since it uses less digits than its factorization.

38475677565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7307851 (or 7307842 counting only the distinct ones).

The product of its digits is 148176000, while the sum is 63.

The spelling of 38475677565 in words is "thirty-eight billion, four hundred seventy-five million, six hundred seventy-seven thousand, five hundred sixty-five".