12870000877 has 4 divisors (see below), whose sum is σ = 12871691100. Its totient is φ = 12868310656.

The previous prime is 12870000823. The next prime is 12870000883. The reversal of 12870000877 is 77800007821.

It is a happy number.

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 5021989956 + 7848010921 = 70866^2 + 88589^2 .

It is a cyclic number.

It is not a de Polignac number, because 12870000877 - 2¹¹ = 12869998829 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 (12870000817) 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, 833638 + ... + 848935.

It is an arithmetic number, because the mean of its divisors is an integer number (3217922775).

Almost surely, 2^12870000877 is an apocalyptic number.

It is an amenable number.

12870000877 is a deficient number, since it is larger than the sum of its proper divisors (1690223).

12870000877 is an equidigital number, since it uses as much as digits as its factorization.

12870000877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690222.

The product of its (nonzero) digits is 43904, while the sum is 40.

The spelling of 12870000877 in words is "twelve billion, eight hundred seventy million, eight hundred seventy-seven", and thus it is an aban number.