38775454507 has 4 divisors (see below), whose sum is σ = 38798359600. Its totient is φ = 38752549416.

The previous prime is 38775454493. The next prime is 38775454517. The reversal of 38775454507 is 70545457783.

38775454507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70545457783 = 1609 ⋅43844287.

It is a cyclic number.

It is not a de Polignac number, because 38775454507 - 2²³ = 38767065899 is a prime.

It is a super-2 number, since 2×38775454507² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38775454517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11450007 + ... + 11453392.

It is an arithmetic number, because the mean of its divisors is an integer number (9699589900).

Almost surely, 2^38775454507 is an apocalyptic number.

38775454507 is a deficient number, since it is larger than the sum of its proper divisors (22905093).

38775454507 is a wasteful number, since it uses less digits than its factorization.

38775454507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22905092.

The product of its (nonzero) digits is 16464000, while the sum is 55.

The spelling of 38775454507 in words is "thirty-eight billion, seven hundred seventy-five million, four hundred fifty-four thousand, five hundred seven".