42828277 has 16 divisors (see below), whose sum is σ = 46730880. Its totient is φ = 39137472.

The previous prime is 42828271. The next prime is 42828347. The reversal of 42828277 is 77282824.

42828277 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 42828277 - 2¹⁵ = 42795509 is a prime.

It is a super-2 number, since 2×42828277² = 3668522621577458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42828271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49783 + ... + 50635.

It is an arithmetic number, because the mean of its divisors is an integer number (2920680).

Almost surely, 2^42828277 is an apocalyptic number.

It is an amenable number.

42828277 is a deficient number, since it is larger than the sum of its proper divisors (3902603).

42828277 is a wasteful number, since it uses less digits than its factorization.

42828277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972.

The product of its digits is 100352, while the sum is 40.

The square root of 42828277 is about 6544.3316694679. The cubic root of 42828277 is about 349.8728163744.

The spelling of 42828277 in words is "forty-two million, eight hundred twenty-eight thousand, two hundred seventy-seven".