842030471 has 2 divisors, whose sum is σ = 842030472. Its totient is φ = 842030470.

The previous prime is 842030443. The next prime is 842030503. The reversal of 842030471 is 174030248.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-842030471 is a prime.

It is a super-3 number, since 3×842030471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (842030411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421015235 + 421015236.

It is an arithmetic number, because the mean of its divisors is an integer number (421015236).

Almost surely, 2^842030471 is an apocalyptic number.

842030471 is a deficient number, since it is larger than the sum of its proper divisors (1).

842030471 is an equidigital number, since it uses as much as digits as its factorization.

842030471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 842030471 is about 29017.7613023472. The cubic root of 842030471 is about 944.2984335904.

The spelling of 842030471 in words is "eight hundred forty-two million, thirty thousand, four hundred seventy-one".