878433612 has 96 divisors (see below), whose sum is σ = 2472960000. Its totient is φ = 237079872.

The previous prime is 878433581. The next prime is 878433617. The reversal of 878433612 is 216334878.

It is a super-2 number, since 2×878433612² = 1543291221382733088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (878433617) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 795853 + ... + 796955.

It is an arithmetic number, because the mean of its divisors is an integer number (25760000).

Almost surely, 2^878433612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 878433612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1236480000).

878433612 is an abundant number, since it is smaller than the sum of its proper divisors (1594526388).

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

878433612 is a wasteful number, since it uses less digits than its factorization.

878433612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635 (or 1633 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 878433612 is about 29638.3807249991. The cubic root of 878433612 is about 957.7150562580.

The spelling of 878433612 in words is "eight hundred seventy-eight million, four hundred thirty-three thousand, six hundred twelve".