88990729837 has 6 divisors (see below), whose sum is σ = 93920964558. Its totient is φ = 84307006872.

The previous prime is 88990729829. The next prime is 88990729843. The reversal of 88990729837 is 73892709988.

It can be written as a sum of positive squares in only one way, i.e., 53651993641 + 35338736196 = 231629^2 + 187986^2 .

It is not a de Polignac number, because 88990729837 - 2³ = 88990729829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88990729537) 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 5 ways as a sum of consecutive naturals, for example, 123255498 + ... + 123256219.

It is an arithmetic number, because the mean of its divisors is an integer number (15653494093).

Almost surely, 2^88990729837 is an apocalyptic number.

It is an amenable number.

88990729837 is a deficient number, since it is larger than the sum of its proper divisors (4930234721).

88990729837 is a wasteful number, since it uses less digits than its factorization.

88990729837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246511755 (or 246511736 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 70.

The spelling of 88990729837 in words is "eighty-eight billion, nine hundred ninety million, seven hundred twenty-nine thousand, eight hundred thirty-seven".