428877977 has 8 divisors (see below), whose sum is σ = 468937920. Its totient is φ = 388996560.

The previous prime is 428877959. The next prime is 428877979. The reversal of 428877977 is 779778824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 428877977 - 2⁶ = 428877913 is a prime.

It is a super-2 number, since 2×428877977² = 367872638311225058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (428877979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39578 + ... + 49235.

It is an arithmetic number, because the mean of its divisors is an integer number (58617240).

Almost surely, 2^428877977 is an apocalyptic number.

It is an amenable number.

428877977 is a deficient number, since it is larger than the sum of its proper divisors (40059943).

428877977 is a wasteful number, since it uses less digits than its factorization.

428877977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89263.

The product of its digits is 11063808, while the sum is 59.

The square root of 428877977 is about 20709.3693047374. The cubic root of 428877977 is about 754.1271593778.

The spelling of 428877977 in words is "four hundred twenty-eight million, eight hundred seventy-seven thousand, nine hundred seventy-seven".