429878850 has 48 divisors (see below), whose sum is σ = 1092117600. Its totient is φ = 111836800.

The previous prime is 429878831. The next prime is 429878851. The reversal of 429878850 is 58878924.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 429878793 and 429878802.

It is not an unprimeable number, because it can be changed into a prime (429878851) 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, 28800 + ... + 41099.

It is an arithmetic number, because the mean of its divisors is an integer number (22752450).

Almost surely, 2^429878850 is an apocalyptic number.

429878850 is an abundant number, since it is smaller than the sum of its proper divisors (662238750).

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

429878850 is a wasteful number, since it uses less digits than its factorization.

429878850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69955 (or 69950 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 51.

The square root of 429878850 is about 20733.5199616466. The cubic root of 429878850 is about 754.7133394142.

The spelling of 429878850 in words is "four hundred twenty-nine million, eight hundred seventy-eight thousand, eight hundred fifty".