88311005 has 8 divisors (see below), whose sum is σ = 112207032. Its totient is φ = 66492928.

The previous prime is 88311001. The next prime is 88311011. The reversal of 88311005 is 50011388.

It can be written as a sum of positive squares in 4 ways, for example, as 32569849 + 55741156 = 5707^2 + 7466^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 88311005 - 2² = 88311001 is a prime.

It is a super-2 number, since 2×88311005² = 15597667208220050, which 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 (88311001) 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 7 ways as a sum of consecutive naturals, for example, 519392 + ... + 519561.

It is an arithmetic number, because the mean of its divisors is an integer number (14025879).

Almost surely, 2^88311005 is an apocalyptic number.

88311005 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

88311005 is a deficient number, since it is larger than the sum of its proper divisors (23896027).

88311005 is a wasteful number, since it uses less digits than its factorization.

88311005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038975.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 88311005 is about 9397.3935216101. The cubic root of 88311005 is about 445.3193936473.

The spelling of 88311005 in words is "eighty-eight million, three hundred eleven thousand, five".