878499432 has 48 divisors (see below), whose sum is σ = 2467395840. Its totient is φ = 292832496.

The previous prime is 878499367. The next prime is 878499449. The reversal of 878499432 is 234994878.

878499432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×878499432² = 1543522504048645248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 224008 + ... + 227895.

It is an arithmetic number, because the mean of its divisors is an integer number (51404080).

Almost surely, 2^878499432 is an apocalyptic number.

It is an amenable number.

878499432 is an abundant number, since it is smaller than the sum of its proper divisors (1588896408).

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

878499432 is a wasteful number, since it uses less digits than its factorization.

878499432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451924 (or 451908 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 878499432 is about 29639.4910887485. The cubic root of 878499432 is about 957.7389758158.

The spelling of 878499432 in words is "eight hundred seventy-eight million, four hundred ninety-nine thousand, four hundred thirty-two".