38676115645861 has 4 divisors (see below), whose sum is σ = 38676128106592. Its totient is φ = 38676103185132.

The previous prime is 38676115645697. The next prime is 38676115645889. The reversal of 38676115645861 is 16854651167683.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 38676115645861 - 2³¹ = 38673968162213 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 (38676112645861) 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, 2551270 + ... + 9157576.

It is an arithmetic number, because the mean of its divisors is an integer number (9669032026648).

Almost surely, 2^{38676115645861} is an apocalyptic number.

It is an amenable number.

38676115645861 is a deficient number, since it is larger than the sum of its proper divisors (12460731).

38676115645861 is an equidigital number, since it uses as much as digits as its factorization.

38676115645861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12460730.

The product of its digits is 174182400, while the sum is 67.

The spelling of 38676115645861 in words is "thirty-eight trillion, six hundred seventy-six billion, one hundred fifteen million, six hundred forty-five thousand, eight hundred sixty-one".