88621661 has 8 divisors (see below), whose sum is σ = 89812800. Its totient is φ = 87435040.

The previous prime is 88621639. The next prime is 88621669. The reversal of 88621661 is 16612688.

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 88621661 - 2⁶ = 88621597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88621669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57896 + ... + 59406.

It is an arithmetic number, because the mean of its divisors is an integer number (11226600).

Almost surely, 2^88621661 is an apocalyptic number.

It is an amenable number.

88621661 is a deficient number, since it is larger than the sum of its proper divisors (1191139).

88621661 is a wasteful number, since it uses less digits than its factorization.

88621661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259.

The product of its digits is 27648, while the sum is 38.

The square root of 88621661 is about 9413.9078495596. The cubic root of 88621661 is about 445.8409565840.

The spelling of 88621661 in words is "eighty-eight million, six hundred twenty-one thousand, six hundred sixty-one".