88209641 has 8 divisors (see below), whose sum is σ = 97204800. Its totient is φ = 79530192.

The previous prime is 88209637. The next prime is 88209643. The reversal of 88209641 is 14690288.

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 88209641 - 2² = 88209637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 88209595 and 88209604.

It is not an unprimeable number, because it can be changed into a prime (88209643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78341 + ... + 79458.

It is an arithmetic number, because the mean of its divisors is an integer number (12150600).

Almost surely, 2^88209641 is an apocalyptic number.

It is an amenable number.

88209641 is a deficient number, since it is larger than the sum of its proper divisors (8995159).

88209641 is a wasteful number, since it uses less digits than its factorization.

88209641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157855.

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

The square root of 88209641 is about 9391.9987755536. The cubic root of 88209641 is about 445.1489481614.

The spelling of 88209641 in words is "eighty-eight million, two hundred nine thousand, six hundred forty-one".