842823801 has 12 divisors (see below), whose sum is σ = 1218073428. Its totient is φ = 561577344.

The previous prime is 842823733. The next prime is 842823809. The reversal of 842823801 is 108328248.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 579605625 + 263218176 = 24075^2 + 16224^2 .

It is not a de Polignac number, because 842823801 - 2¹¹ = 842821753 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (842823809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7260 + ... + 41693.

It is an arithmetic number, because the mean of its divisors is an integer number (101506119).

Almost surely, 2^842823801 is an apocalyptic number.

It is an amenable number.

842823801 is a deficient number, since it is larger than the sum of its proper divisors (375249627).

842823801 is a wasteful number, since it uses less digits than its factorization.

842823801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50872 (or 50869 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 842823801 is about 29031.4278153866. The cubic root of 842823801 is about 944.5949015348.

The spelling of 842823801 in words is "eight hundred forty-two million, eight hundred twenty-three thousand, eight hundred one".