842140828175 has 48 divisors (see below), whose sum is σ = 1122381323712. Its totient is φ = 624523468800.

The previous prime is 842140828163. The next prime is 842140828219. The reversal of 842140828175 is 571828041248.

It is not a de Polignac number, because 842140828175 - 2¹⁴ = 842140811791 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31157267 + ... + 31184283.

It is an arithmetic number, because the mean of its divisors is an integer number (23382944244).

Almost surely, 2^842140828175 is an apocalyptic number.

842140828175 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

842140828175 is a deficient number, since it is larger than the sum of its proper divisors (280240495537).

842140828175 is a wasteful number, since it uses less digits than its factorization.

842140828175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28148 (or 28143 counting only the distinct ones).

The product of its (nonzero) digits is 1146880, while the sum is 50.

The spelling of 842140828175 in words is "eight hundred forty-two billion, one hundred forty million, eight hundred twenty-eight thousand, one hundred seventy-five".