102143883077 has 4 divisors (see below), whose sum is σ = 102323398380. Its totient is φ = 101964367776.

The previous prime is 102143883059. The next prime is 102143883091. The reversal of 102143883077 is 770388341201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 51642108001 + 50501775076 = 227249^2 + 224726^2 .

It is a cyclic number.

It is not a de Polignac number, because 102143883077 - 2¹² = 102143878981 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 (102143883577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89756798 + ... + 89757935.

It is an arithmetic number, because the mean of its divisors is an integer number (25580849595).

Almost surely, 2^102143883077 is an apocalyptic number.

It is an amenable number.

102143883077 is a deficient number, since it is larger than the sum of its proper divisors (179515303).

102143883077 is an equidigital number, since it uses as much as digits as its factorization.

102143883077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179515302.

The product of its (nonzero) digits is 225792, while the sum is 44.

The spelling of 102143883077 in words is "one hundred two billion, one hundred forty-three million, eight hundred eighty-three thousand, seventy-seven".