82888812993 has 32 divisors (see below), whose sum is σ = 137351096064. Its totient is φ = 43374016512.

The previous prime is 82888812991. The next prime is 82888813003. The reversal of 82888812993 is 39921888828.

It is not a de Polignac number, because 82888812993 - 2¹ = 82888812991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82888812991) 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, 3124380 + ... + 3150797.

It is an arithmetic number, because the mean of its divisors is an integer number (4292221752).

Almost surely, 2^82888812993 is an apocalyptic number.

It is an amenable number.

82888812993 is a deficient number, since it is larger than the sum of its proper divisors (54462283071).

82888812993 is a wasteful number, since it uses less digits than its factorization.

82888812993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6275241.

The product of its digits is 31850496, while the sum is 66.

The spelling of 82888812993 in words is "eighty-two billion, eight hundred eighty-eight million, eight hundred twelve thousand, nine hundred ninety-three".