8878161629 has 2 divisors, whose sum is σ = 8878161630. Its totient is φ = 8878161628.

The previous prime is 8878161577. The next prime is 8878161653. The reversal of 8878161629 is 9261618788.

8878161629 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7619544100 + 1258617529 = 87290^2 + 35477^2 .

It is a cyclic number.

It is not a de Polignac number, because 8878161629 - 2²⁰ = 8877113053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8878161659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4439080814 + 4439080815.

It is an arithmetic number, because the mean of its divisors is an integer number (4439080815).

Almost surely, 2^8878161629 is an apocalyptic number.

It is an amenable number.

8878161629 is a deficient number, since it is larger than the sum of its proper divisors (1).

8878161629 is an equidigital number, since it uses as much as digits as its factorization.

8878161629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2322432, while the sum is 56.

The square root of 8878161629 is about 94223.9970973425. The cubic root of 8878161629 is about 2070.6546995976.

The spelling of 8878161629 in words is "eight billion, eight hundred seventy-eight million, one hundred sixty-one thousand, six hundred twenty-nine".