42789351 has 12 divisors (see below), whose sum is σ = 62711096. Its totient is φ = 25932720.

The previous prime is 42789287. The next prime is 42789359. The reversal of 42789351 is 15398724.

It is not a de Polignac number, because 42789351 - 2⁶ = 42789287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42789359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58576 + ... + 59301.

Almost surely, 2^42789351 is an apocalyptic number.

42789351 is a deficient number, since it is larger than the sum of its proper divisors (19921745).

42789351 is a wasteful number, since it uses less digits than its factorization.

42789351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117902 (or 117891 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 42789351 is about 6541.3569693145. The cubic root of 42789351 is about 349.7667861348.

The spelling of 42789351 in words is "forty-two million, seven hundred eighty-nine thousand, three hundred fifty-one".