842300881 has 2 divisors, whose sum is σ = 842300882. Its totient is φ = 842300880.

The previous prime is 842300861. The next prime is 842300909. The reversal of 842300881 is 188003248.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 831803281 + 10497600 = 28841^2 + 3240^2 .

It is a cyclic number.

It is not a de Polignac number, because 842300881 - 2¹¹ = 842298833 is a prime.

It is a super-2 number, since 2×842300881² = 1418941548266752322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (842300831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421150440 + 421150441.

It is an arithmetic number, because the mean of its divisors is an integer number (421150441).

Almost surely, 2^842300881 is an apocalyptic number.

It is an amenable number.

842300881 is a deficient number, since it is larger than the sum of its proper divisors (1).

842300881 is an equidigital number, since it uses as much as digits as its factorization.

842300881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 842300881 is about 29022.4203160246. The cubic root of 842300881 is about 944.3995068963.

The spelling of 842300881 in words is "eight hundred forty-two million, three hundred thousand, eight hundred eighty-one".