842542487 has 8 divisors (see below), whose sum is σ = 855903216. Its totient is φ = 829204992.

The previous prime is 842542483. The next prime is 842542531. The reversal of 842542487 is 784245248.

842542487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 842542487 - 2² = 842542483 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 (842542483) 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, 76373 + ... + 86705.

It is an arithmetic number, because the mean of its divisors is an integer number (106987902).

Almost surely, 2^842542487 is an apocalyptic number.

842542487 is a deficient number, since it is larger than the sum of its proper divisors (13360729).

842542487 is a wasteful number, since it uses less digits than its factorization.

842542487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11617.

The product of its digits is 573440, while the sum is 44.

The square root of 842542487 is about 29026.5824202575. The cubic root of 842542487 is about 944.4897956041.

The spelling of 842542487 in words is "eight hundred forty-two million, five hundred forty-two thousand, four hundred eighty-seven".