88623081 has 6 divisors (see below), whose sum is σ = 128011130. Its totient is φ = 59082048.

The previous prime is 88623061. The next prime is 88623089. The reversal of 88623081 is 18032688.

It can be written as a sum of positive squares in only one way, i.e., 77792400 + 10830681 = 8820^2 + 3291^2 .

It is not a de Polignac number, because 88623081 - 2¹⁷ = 88492009 is a prime.

It is a super-2 number, since 2×88623081² = 15708100971865122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (88623089) 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, 4923496 + ... + 4923513.

Almost surely, 2^88623081 is an apocalyptic number.

It is an amenable number.

88623081 is a deficient number, since it is larger than the sum of its proper divisors (39388049).

88623081 is a wasteful number, since it uses less digits than its factorization.

88623081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9847015 (or 9847012 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 88623081 is about 9413.9832695836. The cubic root of 88623081 is about 445.8433378332.

The spelling of 88623081 in words is "eighty-eight million, six hundred twenty-three thousand, eighty-one".