88518755749 has 4 divisors (see below), whose sum is σ = 88520021164. Its totient is φ = 88517490336.

The previous prime is 88518755683. The next prime is 88518755791. The reversal of 88518755749 is 94755781588.

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 29271788100 + 59246967649 = 171090^2 + 243407^2 .

It is a cyclic number.

It is not a de Polignac number, because 88518755749 - 2⁷ = 88518755621 is a prime.

It is a super-2 number, since 2×88518755749² (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 (88518755249) 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, 521232 + ... + 669865.

It is an arithmetic number, because the mean of its divisors is an integer number (22130005291).

Almost surely, 2^88518755749 is an apocalyptic number.

It is an amenable number.

88518755749 is a deficient number, since it is larger than the sum of its proper divisors (1265415).

88518755749 is a wasteful number, since it uses less digits than its factorization.

88518755749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265414.

The product of its digits is 112896000, while the sum is 67.

The spelling of 88518755749 in words is "eighty-eight billion, five hundred eighteen million, seven hundred fifty-five thousand, seven hundred forty-nine".