82889297169 has 32 divisors (see below), whose sum is σ = 127116109824. Its totient is φ = 47063047680.

The previous prime is 82889297167. The next prime is 82889297171. The reversal of 82889297169 is 96179298828.

It is an interprime number because it is at equal distance from previous prime (82889297167) and next prime (82889297171).

It is not a de Polignac number, because 82889297169 - 2¹ = 82889297167 is a prime.

It is a super-2 number, since 2×82889297169² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82889297167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2078124 + ... + 2117634.

It is an arithmetic number, because the mean of its divisors is an integer number (3972378432).

Almost surely, 2^82889297169 is an apocalyptic number.

It is an amenable number.

82889297169 is a deficient number, since it is larger than the sum of its proper divisors (44226812655).

82889297169 is a wasteful number, since it uses less digits than its factorization.

82889297169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40157.

The product of its digits is 62705664, while the sum is 69.

The spelling of 82889297169 in words is "eighty-two billion, eight hundred eighty-nine million, two hundred ninety-seven thousand, one hundred sixty-nine".