42363887 has 4 divisors (see below), whose sum is σ = 43730496. Its totient is φ = 40997280.

The previous prime is 42363869. The next prime is 42363913. The reversal of 42363887 is 78836324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42363887 - 2⁶ = 42363823 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 (42363857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683258 + ... + 683319.

It is an arithmetic number, because the mean of its divisors is an integer number (10932624).

Almost surely, 2^42363887 is an apocalyptic number.

42363887 is a deficient number, since it is larger than the sum of its proper divisors (1366609).

42363887 is a wasteful number, since it uses less digits than its factorization.

42363887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366608.

The product of its digits is 193536, while the sum is 41.

The square root of 42363887 is about 6508.7546427869. The cubic root of 42363887 is about 348.6036529201.

The spelling of 42363887 in words is "forty-two million, three hundred sixty-three thousand, eight hundred eighty-seven".