88920440521 has 8 divisors (see below), whose sum is σ = 97010604288. Its totient is φ = 80831358000.

The previous prime is 88920440519. The next prime is 88920440527. The reversal of 88920440521 is 12504402988.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 88920440521 - 2¹ = 88920440519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88920440527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93310 + ... + 431911.

It is an arithmetic number, because the mean of its divisors is an integer number (12126325536).

Almost surely, 2^88920440521 is an apocalyptic number.

It is an amenable number.

88920440521 is a deficient number, since it is larger than the sum of its proper divisors (8090163767).

88920440521 is a wasteful number, since it uses less digits than its factorization.

88920440521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540623.

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 88920440521 in words is "eighty-eight billion, nine hundred twenty million, four hundred forty thousand, five hundred twenty-one".