429057887 has 4 divisors (see below), whose sum is σ = 442898496. Its totient is φ = 415217280.

The previous prime is 429057857. The next prime is 429057901. The reversal of 429057887 is 788750924.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 429057887 - 2¹⁶ = 428992351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429057857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6920258 + ... + 6920319.

It is an arithmetic number, because the mean of its divisors is an integer number (110724624).

Almost surely, 2^429057887 is an apocalyptic number.

429057887 is a deficient number, since it is larger than the sum of its proper divisors (13840609).

429057887 is a wasteful number, since it uses less digits than its factorization.

429057887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13840608.

The product of its (nonzero) digits is 1128960, while the sum is 50.

The square root of 429057887 is about 20713.7125354196. The cubic root of 429057887 is about 754.2325942237.

The spelling of 429057887 in words is "four hundred twenty-nine million, fifty-seven thousand, eight hundred eighty-seven".