88651005 has 16 divisors (see below), whose sum is σ = 150185664. Its totient is φ = 44499200.

The previous prime is 88650949. The next prime is 88651007. The reversal of 88651005 is 50015688.

It is not a de Polignac number, because 88651005 - 2⁹ = 88650493 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 (88651007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173571 + ... + 174080.

It is an arithmetic number, because the mean of its divisors is an integer number (9386604).

Almost surely, 2^88651005 is an apocalyptic number.

88651005 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

88651005 is a deficient number, since it is larger than the sum of its proper divisors (61534659).

88651005 is a wasteful number, since it uses less digits than its factorization.

88651005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347676.

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 88651005 is about 9415.4662656716. The cubic root of 88651005 is about 445.8901594281.

It can be divided in two parts, 8865 and 1005, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 88651005 in words is "eighty-eight million, six hundred fifty-one thousand, five".