842536387 has 8 divisors (see below), whose sum is σ = 1050435072. Its totient is φ = 656521800.

The previous prime is 842536381. The next prime is 842536393. The reversal of 842536387 is 783635248.

It is an interprime number because it is at equal distance from previous prime (842536381) and next prime (842536393).

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

It is a de Polignac number, because none of the positive numbers 2^k-842536387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (842536381) 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 7 ways as a sum of consecutive naturals, for example, 5470939 + ... + 5471092.

It is an arithmetic number, because the mean of its divisors is an integer number (131304384).

Almost surely, 2^842536387 is an apocalyptic number.

842536387 is a deficient number, since it is larger than the sum of its proper divisors (207898685).

842536387 is a wasteful number, since it uses less digits than its factorization.

842536387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10942049.

The product of its digits is 967680, while the sum is 46.

The square root of 842536387 is about 29026.4773439699. The cubic root of 842536387 is about 944.4875162328.

The spelling of 842536387 in words is "eight hundred forty-two million, five hundred thirty-six thousand, three hundred eighty-seven".