842318798787 has 24 divisors (see below), whose sum is σ = 1282152107808. Its totient is φ = 531812688000.

The previous prime is 842318798773. The next prime is 842318798813. The reversal of 842318798787 is 787897813248.

It is not a de Polignac number, because 842318798787 - 2¹⁶ = 842318733251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (842318798687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20123514 + ... + 20165327.

It is an arithmetic number, because the mean of its divisors is an integer number (53423004492).

Almost surely, 2^842318798787 is an apocalyptic number.

842318798787 is a deficient number, since it is larger than the sum of its proper divisors (439833309021).

842318798787 is a wasteful number, since it uses less digits than its factorization.

842318798787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40288971 (or 40288968 counting only the distinct ones).

The product of its digits is 303464448, while the sum is 72.

The spelling of 842318798787 in words is "eight hundred forty-two billion, three hundred eighteen million, seven hundred ninety-eight thousand, seven hundred eighty-seven".