842140828177 has 32 divisors (see below), whose sum is σ = 1002133094400. Its totient is φ = 699159859200.

The previous prime is 842140828163. The next prime is 842140828219. The reversal of 842140828177 is 771828041248.

It is not a de Polignac number, because 842140828177 - 2¹⁵ = 842140795409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (842140822177) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1412224 + ... + 1917982.

It is an arithmetic number, because the mean of its divisors is an integer number (31316659200).

Almost surely, 2^842140828177 is an apocalyptic number.

It is an amenable number.

842140828177 is a deficient number, since it is larger than the sum of its proper divisors (159992266223).

842140828177 is a wasteful number, since it uses less digits than its factorization.

842140828177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506077.

The product of its (nonzero) digits is 1605632, while the sum is 52.

The spelling of 842140828177 in words is "eight hundred forty-two billion, one hundred forty million, eight hundred twenty-eight thousand, one hundred seventy-seven".