42789100 has 36 divisors (see below), whose sum is σ = 93179800. Its totient is φ = 17055360.

The previous prime is 42789091. The next prime is 42789113. The reversal of 42789100 is 198724.

42789100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 37336 + ... + 38464.

Almost surely, 2^42789100 is an apocalyptic number.

It is an amenable number.

42789100 is an abundant number, since it is smaller than the sum of its proper divisors (50390700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42789100 is a wasteful number, since it uses less digits than its factorization.

42789100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522 (or 1515 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 42789100 is about 6541.3377836647. The cubic root of 42789100 is about 349.7661022292.

The spelling of 42789100 in words is "forty-two million, seven hundred eighty-nine thousand, one hundred".