869120471 has 2 divisors, whose sum is σ = 869120472. Its totient is φ = 869120470.

The previous prime is 869120437. The next prime is 869120507. The reversal of 869120471 is 174021968.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-869120471 is a prime.

It is a super-3 number, since 3×869120471³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (869120411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434560235 + 434560236.

It is an arithmetic number, because the mean of its divisors is an integer number (434560236).

Almost surely, 2^869120471 is an apocalyptic number.

869120471 is a deficient number, since it is larger than the sum of its proper divisors (1).

869120471 is an equidigital number, since it uses as much as digits as its factorization.

869120471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 869120471 is about 29480.8492245390. The cubic root of 869120471 is about 954.3184636926.

The spelling of 869120471 in words is "eight hundred sixty-nine million, one hundred twenty thousand, four hundred seventy-one".