878152912 has 60 divisors (see below), whose sum is σ = 2131475556. Its totient is φ = 347397120.

The previous prime is 878152909. The next prime is 878152927. The reversal of 878152912 is 219251878.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 114404416 + 763748496 = 10696^2 + 27636^2 .

It is a super-4 number, since 4×878152912⁴ (a number of 37 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32889 + ... + 53272.

Almost surely, 2^878152912 is an apocalyptic number.

It is an amenable number.

878152912 is an abundant number, since it is smaller than the sum of its proper divisors (1253322644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

878152912 is a wasteful number, since it uses less digits than its factorization.

878152912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86196 (or 86183 counting only the distinct ones).

The product of its digits is 80640, while the sum is 43.

The square root of 878152912 is about 29633.6449327449. The cubic root of 878152912 is about 957.6130340325.

The spelling of 878152912 in words is "eight hundred seventy-eight million, one hundred fifty-two thousand, nine hundred twelve".