10000000878929 has 2 divisors, whose sum is σ = 10000000878930. Its totient is φ = 10000000878928.

The previous prime is 10000000878899. The next prime is 10000000878947. The reversal of 10000000878929 is 92987800000001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8864821438225 + 1135179440704 = 2977385^2 + 1065448^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10000000878929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10000000878929.

It is not a weakly prime, because it can be changed into another prime (10000000877929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000000439464 + 5000000439465.

It is an arithmetic number, because the mean of its divisors is an integer number (5000000439465).

Almost surely, 2^{10000000878929} is an apocalyptic number.

It is an amenable number.

10000000878929 is a deficient number, since it is larger than the sum of its proper divisors (1).

10000000878929 is an equidigital number, since it uses as much as digits as its factorization.

10000000878929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 44.

The spelling of 10000000878929 in words is "ten trillion, eight hundred seventy-eight thousand, nine hundred twenty-nine".