82889798871 has 16 divisors (see below), whose sum is σ = 120572490240. Its totient is φ = 50233945920.

The previous prime is 82889798869. The next prime is 82889798899. The reversal of 82889798871 is 17889798828.

It is not a de Polignac number, because 82889798871 - 2¹ = 82889798869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82889798793 and 82889798802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82889798671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 928275 + ... + 1013643.

It is an arithmetic number, because the mean of its divisors is an integer number (7535780640).

Almost surely, 2^82889798871 is an apocalyptic number.

82889798871 is a deficient number, since it is larger than the sum of its proper divisors (37682691369).

82889798871 is a wasteful number, since it uses less digits than its factorization.

82889798871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114806.

The product of its digits is 260112384, while the sum is 75.

The spelling of 82889798871 in words is "eighty-two billion, eight hundred eighty-nine million, seven hundred ninety-eight thousand, eight hundred seventy-one".