878127012 has 72 divisors (see below), whose sum is σ = 2598715392. Its totient is φ = 244771200.

The previous prime is 878127011. The next prime is 878127013. The reversal of 878127012 is 210721878.

It is a happy number.

878127012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (878127011) and next prime (878127013).

It is a super-2 number, since 2×878127012² = 1542214098408096288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (878127011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32164 + ... + 52827.

Almost surely, 2^878127012 is an apocalyptic number.

878127012 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

878127012 is an abundant number, since it is smaller than the sum of its proper divisors (1720588380).

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

878127012 is a wasteful number, since it uses less digits than its factorization.

878127012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85049 (or 85044 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 36.

The square root of 878127012 is about 29633.2079262438. The cubic root of 878127012 is about 957.6036194150.

The spelling of 878127012 in words is "eight hundred seventy-eight million, one hundred twenty-seven thousand, twelve".