102938011867 has 4 divisors (see below), whose sum is σ = 104880238560. Its totient is φ = 100995785176.

The previous prime is 102938011861. The next prime is 102938011889. The reversal of 102938011867 is 768110839201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 102938011867 - 2⁷ = 102938011739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102938011861) 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, 971113267 + ... + 971113372.

It is an arithmetic number, because the mean of its divisors is an integer number (26220059640).

Almost surely, 2^102938011867 is an apocalyptic number.

102938011867 is a deficient number, since it is larger than the sum of its proper divisors (1942226693).

102938011867 is an equidigital number, since it uses as much as digits as its factorization.

102938011867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942226692.

The product of its (nonzero) digits is 145152, while the sum is 46.

The spelling of 102938011867 in words is "one hundred two billion, nine hundred thirty-eight million, eleven thousand, eight hundred sixty-seven".