842660770 has 16 divisors (see below), whose sum is σ = 1733473728. Its totient is φ = 288912240.

The previous prime is 842660761. The next prime is 842660789. The reversal of 842660770 is 77066248.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6018936 + ... + 6019075.

It is an arithmetic number, because the mean of its divisors is an integer number (108342108).

Almost surely, 2^842660770 is an apocalyptic number.

842660770 is an abundant number, since it is smaller than the sum of its proper divisors (890812958).

842660770 is a wasteful number, since it uses less digits than its factorization.

842660770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12038025.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 842660770 is about 29028.6198431823. The cubic root of 842660770 is about 944.5339919348.

It can be divided in two parts, 8426 and 60770, that added together give a palindrome (69196).

The spelling of 842660770 in words is "eight hundred forty-two million, six hundred sixty thousand, seven hundred seventy".