878738022159 has 16 divisors (see below), whose sum is σ = 1173941301120. Its totient is φ = 584680278240.

The previous prime is 878738022143. The next prime is 878738022163. The reversal of 878738022159 is 951220837878.

It is not a de Polignac number, because 878738022159 - 2⁴ = 878738022143 is a prime.

It is a super-2 number, since 2×878738022159² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878738023159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19172332 + ... + 19218110.

It is an arithmetic number, because the mean of its divisors is an integer number (73371331320).

Almost surely, 2^878738022159 is an apocalyptic number.

878738022159 is a deficient number, since it is larger than the sum of its proper divisors (295203278961).

878738022159 is a wasteful number, since it uses less digits than its factorization.

878738022159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58150.

The product of its (nonzero) digits is 13547520, while the sum is 60.

The spelling of 878738022159 in words is "eight hundred seventy-eight billion, seven hundred thirty-eight million, twenty-two thousand, one hundred fifty-nine".