38774624738 has 4 divisors (see below), whose sum is σ = 58161937110. Its totient is φ = 19387312368.

The previous prime is 38774624731. The next prime is 38774624741. The reversal of 38774624738 is 83742647783.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 37147551169 + 1627073569 = 192737^2 + 40337^2 .

It is not an unprimeable number, because it can be changed into a prime (38774624731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9693656183 + ... + 9693656186.

Almost surely, 2^38774624738 is an apocalyptic number.

38774624738 is a deficient number, since it is larger than the sum of its proper divisors (19387312372).

38774624738 is a wasteful number, since it uses less digits than its factorization.

38774624738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19387312371.

The product of its digits is 37933056, while the sum is 59.

The spelling of 38774624738 in words is "thirty-eight billion, seven hundred seventy-four million, six hundred twenty-four thousand, seven hundred thirty-eight".