38858778463 has 4 divisors (see below), whose sum is σ = 38876964400. Its totient is φ = 38840592528.

The previous prime is 38858778457. The next prime is 38858778467. The reversal of 38858778463 is 36487785883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36487785883 = 523 ⋅69766321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38858778463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38858778467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9089763 + ... + 9094036.

It is an arithmetic number, because the mean of its divisors is an integer number (9719241100).

Almost surely, 2^38858778463 is an apocalyptic number.

38858778463 is a deficient number, since it is larger than the sum of its proper divisors (18185937).

38858778463 is a wasteful number, since it uses less digits than its factorization.

38858778463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18185936.

The product of its digits is 216760320, while the sum is 67.

The spelling of 38858778463 in words is "thirty-eight billion, eight hundred fifty-eight million, seven hundred seventy-eight thousand, four hundred sixty-three".