842213763 has 24 divisors (see below), whose sum is σ = 1240317936. Its totient is φ = 550555200.

The previous prime is 842213761. The next prime is 842213789. The reversal of 842213763 is 367312248.

It is a happy number.

It is not a de Polignac number, because 842213763 - 2¹ = 842213761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (842213761) 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 23 ways as a sum of consecutive naturals, for example, 188293 + ... + 192713.

It is an arithmetic number, because the mean of its divisors is an integer number (51679914).

Almost surely, 2^842213763 is an apocalyptic number.

842213763 is a deficient number, since it is larger than the sum of its proper divisors (398104173).

842213763 is a wasteful number, since it uses less digits than its factorization.

842213763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4835 (or 4832 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 842213763 is about 29020.9194030789. The cubic root of 842213763 is about 944.3669464678.

The spelling of 842213763 in words is "eight hundred forty-two million, two hundred thirteen thousand, seven hundred sixty-three".