429861887 has 16 divisors (see below), whose sum is σ = 536316480. Its totient is φ = 335446272.

The previous prime is 429861869. The next prime is 429861889. The reversal of 429861887 is 788168924.

It is a happy number.

It is not a de Polignac number, because 429861887 - 2⁶ = 429861823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429861889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25712 + ... + 38997.

It is an arithmetic number, because the mean of its divisors is an integer number (33519780).

Almost surely, 2^429861887 is an apocalyptic number.

429861887 is a deficient number, since it is larger than the sum of its proper divisors (106454593).

429861887 is a wasteful number, since it uses less digits than its factorization.

429861887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64802.

The product of its digits is 1548288, while the sum is 53.

The square root of 429861887 is about 20733.1108857306. The cubic root of 429861887 is about 754.7034122989.

The spelling of 429861887 in words is "four hundred twenty-nine million, eight hundred sixty-one thousand, eight hundred eighty-seven".