38948895677 has 4 divisors (see below), whose sum is σ = 38974337376. Its totient is φ = 38923453980.

The previous prime is 38948895637. The next prime is 38948895719. The reversal of 38948895677 is 77659884983.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38948895677 - 2⁶ = 38948895613 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 (38948895617) 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, 12718553 + ... + 12721614.

It is an arithmetic number, because the mean of its divisors is an integer number (9743584344).

Almost surely, 2^38948895677 is an apocalyptic number.

It is an amenable number.

38948895677 is a deficient number, since it is larger than the sum of its proper divisors (25441699).

38948895677 is a wasteful number, since it uses less digits than its factorization.

38948895677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25441698.

The product of its digits is 731566080, while the sum is 74.

The spelling of 38948895677 in words is "thirty-eight billion, nine hundred forty-eight million, eight hundred ninety-five thousand, six hundred seventy-seven".