429457977 has 16 divisors (see below), whose sum is σ = 685175680. Its totient is φ = 264281616.

The previous prime is 429457939. The next prime is 429457997. The reversal of 429457977 is 779754924.

It is not a de Polignac number, because 429457977 - 2¹⁵ = 429425209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (429457907) 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, 611413 + ... + 612114.

It is an arithmetic number, because the mean of its divisors is an integer number (42823480).

Almost surely, 2^429457977 is an apocalyptic number.

It is an amenable number.

429457977 is a deficient number, since it is larger than the sum of its proper divisors (255717703).

429457977 is a wasteful number, since it uses less digits than its factorization.

429457977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223549 (or 1223543 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 54.

The square root of 429457977 is about 20723.3678971349. The cubic root of 429457977 is about 754.4669582264.

The spelling of 429457977 in words is "four hundred twenty-nine million, four hundred fifty-seven thousand, nine hundred seventy-seven".