42977829 has 16 divisors (see below), whose sum is σ = 60480000. Its totient is φ = 27071856.

The previous prime is 42977821. The next prime is 42977839. The reversal of 42977829 is 92877924.

42977829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42977829 - 2³ = 42977821 is a prime.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42977821) 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, 27922 + ... + 29420.

It is an arithmetic number, because the mean of its divisors is an integer number (3780000).

Almost surely, 2^42977829 is an apocalyptic number.

It is an amenable number.

42977829 is a deficient number, since it is larger than the sum of its proper divisors (17502171).

42977829 is a wasteful number, since it uses less digits than its factorization.

42977829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024.

The product of its digits is 508032, while the sum is 48.

The square root of 42977829 is about 6555.7477834340. The cubic root of 42977829 is about 350.2795834093.

The spelling of 42977829 in words is "forty-two million, nine hundred seventy-seven thousand, eight hundred twenty-nine".