84297959 has 6 divisors (see below), whose sum is σ = 87105960. Its totient is φ = 81577740.

The previous prime is 84297949. The next prime is 84297989. The reversal of 84297959 is 95979248.

It is not a de Polignac number, because 84297959 - 2¹² = 84293863 is a prime.

It is a super-2 number, since 2×84297959² = 14212291783131362, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84297959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84297949) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42899 + ... + 44820.

It is an arithmetic number, because the mean of its divisors is an integer number (14517660).

Almost surely, 2^84297959 is an apocalyptic number.

84297959 is a deficient number, since it is larger than the sum of its proper divisors (2808001).

84297959 is an equidigital number, since it uses as much as digits as its factorization.

84297959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87781 (or 87750 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 53.

The square root of 84297959 is about 9181.3919968597. The cubic root of 84297959 is about 438.4691271923.

The spelling of 84297959 in words is "eighty-four million, two hundred ninety-seven thousand, nine hundred fifty-nine".