82864869810 has 16 divisors (see below), whose sum is σ = 198875687616. Its totient is φ = 22097298608.

The previous prime is 82864869781. The next prime is 82864869811. The reversal of 82864869810 is 1896846828.

It is a super-2 number, since 2×82864869810² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82864869811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1381081134 + ... + 1381081193.

It is an arithmetic number, because the mean of its divisors is an integer number (12429730476).

Almost surely, 2^82864869810 is an apocalyptic number.

82864869810 is an abundant number, since it is smaller than the sum of its proper divisors (116010817806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82864869810 is a wasteful number, since it uses less digits than its factorization.

82864869810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762162337.

The product of its (nonzero) digits is 10616832, while the sum is 60.

The spelling of 82864869810 in words is "eighty-two billion, eight hundred sixty-four million, eight hundred sixty-nine thousand, eight hundred ten".