88661601 has 32 divisors (see below), whose sum is σ = 152678400. Its totient is φ = 49798800.

The previous prime is 88661597. The next prime is 88661611. The reversal of 88661601 is 10616688.

It is not a de Polignac number, because 88661601 - 2² = 88661597 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88661611) 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 31 ways as a sum of consecutive naturals, for example, 7176 + ... + 15126.

It is an arithmetic number, because the mean of its divisors is an integer number (4771200).

Almost surely, 2^88661601 is an apocalyptic number.

It is an amenable number.

88661601 is a deficient number, since it is larger than the sum of its proper divisors (64016799).

88661601 is a wasteful number, since it uses less digits than its factorization.

88661601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8026 (or 8020 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 88661601 is about 9416.0289400575. The cubic root of 88661601 is about 445.9079237084.

The spelling of 88661601 in words is "eighty-eight million, six hundred sixty-one thousand, six hundred one".