42247065387 has 8 divisors (see below), whose sum is σ = 56344078336. Its totient is φ = 28157381352.

The previous prime is 42247065361. The next prime is 42247065407. The reversal of 42247065387 is 78356074224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42247065387 - 2⁶ = 42247065323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42247065587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1818763 + ... + 1841844.

It is an arithmetic number, because the mean of its divisors is an integer number (7043009792).

Almost surely, 2^42247065387 is an apocalyptic number.

42247065387 is a deficient number, since it is larger than the sum of its proper divisors (14097012949).

42247065387 is a wasteful number, since it uses less digits than its factorization.

42247065387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3664457.

The product of its (nonzero) digits is 2257920, while the sum is 48.

The spelling of 42247065387 in words is "forty-two billion, two hundred forty-seven million, sixty-five thousand, three hundred eighty-seven".