1428929577 has 36 divisors (see below), whose sum is σ = 2219315280. Its totient is φ = 885647232.

The previous prime is 1428929573. The next prime is 1428929587. The reversal of 1428929577 is 7759298241.

1428929577 is a `hidden beast` number, since 1 + 4 + 289 + 295 + 77 = 666.

It is not a de Polignac number, because 1428929577 - 2² = 1428929573 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1428929573) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 212574 + ... + 219192.

Almost surely, 2^1428929577 is an apocalyptic number.

1428929577 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1428929577 is a deficient number, since it is larger than the sum of its proper divisors (790385703).

1428929577 is a wasteful number, since it uses less digits than its factorization.

1428929577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6742 (or 6722 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The square root of 1428929577 is about 37801.1848623823. The cubic root of 1428929577 is about 1126.3419908248.

The spelling of 1428929577 in words is "one billion, four hundred twenty-eight million, nine hundred twenty-nine thousand, five hundred seventy-seven".