88639101 has 6 divisors (see below), whose sum is σ = 128034270. Its totient is φ = 59092728.

The previous prime is 88639099. The next prime is 88639129. The reversal of 88639101 is 10193688.

88639101 is a `hidden beast` number, since 8 + 8 + 639 + 10 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 46376100 + 42263001 = 6810^2 + 6501^2 .

It is not a de Polignac number, because 88639101 - 2¹ = 88639099 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88639141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4924386 + ... + 4924403.

It is an arithmetic number, because the mean of its divisors is an integer number (21339045).

Almost surely, 2^88639101 is an apocalyptic number.

It is an amenable number.

88639101 is a deficient number, since it is larger than the sum of its proper divisors (39395169).

88639101 is a wasteful number, since it uses less digits than its factorization.

88639101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9848795 (or 9848792 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 88639101 is about 9414.8340930682. The cubic root of 88639101 is about 445.8702005867.

The spelling of 88639101 in words is "eighty-eight million, six hundred thirty-nine thousand, one hundred one".