88669705 has 8 divisors (see below), whose sum is σ = 112662792. Its totient is φ = 66763008.

The previous prime is 88669697. The next prime is 88669709. The reversal of 88669705 is 50796688.

It can be written as a sum of positive squares in 4 ways, for example, as 2347024 + 86322681 = 1532^2 + 9291^2 .

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 88669705 - 2³ = 88669697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88669709) 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, 521502 + ... + 521671.

It is an arithmetic number, because the mean of its divisors is an integer number (14082849).

Almost surely, 2^88669705 is an apocalyptic number.

88669705 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

88669705 is a deficient number, since it is larger than the sum of its proper divisors (23993087).

88669705 is a wasteful number, since it uses less digits than its factorization.

88669705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043195.

The product of its (nonzero) digits is 725760, while the sum is 49.

The square root of 88669705 is about 9416.4592602528. The cubic root of 88669705 is about 445.9215091753.

The spelling of 88669705 in words is "eighty-eight million, six hundred sixty-nine thousand, seven hundred five".