88133759981 has 8 divisors (see below), whose sum is σ = 90540104160. Its totient is φ = 85728697488.

The previous prime is 88133759977. The next prime is 88133759983. The reversal of 88133759981 is 18995733188.

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

It is not a de Polignac number, because 88133759981 - 2² = 88133759977 is a prime.

It is a super-2 number, since 2×88133759981² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88133759983) 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, 180191 + ... + 456876.

It is an arithmetic number, because the mean of its divisors is an integer number (11317513020).

Almost surely, 2^88133759981 is an apocalyptic number.

It is an amenable number.

88133759981 is a deficient number, since it is larger than the sum of its proper divisors (2406344179).

88133759981 is a wasteful number, since it uses less digits than its factorization.

88133759981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640843.

The product of its digits is 13063680, while the sum is 62.

The spelling of 88133759981 in words is "eighty-eight billion, one hundred thirty-three million, seven hundred fifty-nine thousand, nine hundred eighty-one".