88682042021 has 4 divisors (see below), whose sum is σ = 91740043500. Its totient is φ = 85624040544.

The previous prime is 88682041999. The next prime is 88682042041. The reversal of 88682042021 is 12024028688.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56142933025 + 32539108996 = 236945^2 + 180386^2 .

It is a cyclic number.

It is not a de Polignac number, because 88682042021 - 2⁶ = 88682041957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 88682042021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88682042041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1529000696 + ... + 1529000753.

It is an arithmetic number, because the mean of its divisors is an integer number (22935010875).

Almost surely, 2^88682042021 is an apocalyptic number.

It is an amenable number.

88682042021 is a deficient number, since it is larger than the sum of its proper divisors (3058001479).

88682042021 is a wasteful number, since it uses less digits than its factorization.

88682042021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3058001478.

The product of its (nonzero) digits is 98304, while the sum is 41.

The spelling of 88682042021 in words is "eighty-eight billion, six hundred eighty-two million, forty-two thousand, twenty-one".