88719609 has 8 divisors (see below), whose sum is σ = 129046752. Its totient is φ = 53769440.

The previous prime is 88719523. The next prime is 88719611. The reversal of 88719609 is 90691788.

It is a happy number.

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 88719609 - 2⁹ = 88719097 is a prime.

It is a super-2 number, since 2×88719609² = 15742338042225762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (88719629) 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, 1344204 + ... + 1344269.

It is an arithmetic number, because the mean of its divisors is an integer number (16130844).

Almost surely, 2^88719609 is an apocalyptic number.

It is an amenable number.

88719609 is a deficient number, since it is larger than the sum of its proper divisors (40327143).

88719609 is a wasteful number, since it uses less digits than its factorization.

88719609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688487.

The product of its (nonzero) digits is 217728, while the sum is 48.

The square root of 88719609 is about 9419.1087157968. The cubic root of 88719609 is about 446.0051495179.

The spelling of 88719609 in words is "eighty-eight million, seven hundred nineteen thousand, six hundred nine".