88661086707 has 4 divisors (see below), whose sum is σ = 118214782280. Its totient is φ = 59107391136.

The previous prime is 88661086687. The next prime is 88661086721. The reversal of 88661086707 is 70768016688.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 88661086707 - 2²² = 88656892403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88661086907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14776847782 + ... + 14776847787.

It is an arithmetic number, because the mean of its divisors is an integer number (29553695570).

Almost surely, 2^88661086707 is an apocalyptic number.

88661086707 is a deficient number, since it is larger than the sum of its proper divisors (29553695573).

88661086707 is a wasteful number, since it uses less digits than its factorization.

88661086707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29553695572.

The product of its (nonzero) digits is 5419008, while the sum is 57.

The spelling of 88661086707 in words is "eighty-eight billion, six hundred sixty-one million, eighty-six thousand, seven hundred seven".