89660289642 has 32 divisors (see below), whose sum is σ = 223568515584. Its totient is φ = 23288386800.

The previous prime is 89660289613. The next prime is 89660289671. The reversal of 89660289642 is 24698206698.

It is an interprime number because it is at equal distance from previous prime (89660289613) and next prime (89660289671).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97034484 + ... + 97035407.

It is an arithmetic number, because the mean of its divisors is an integer number (6986516112).

Almost surely, 2^89660289642 is an apocalyptic number.

89660289642 is an abundant number, since it is smaller than the sum of its proper divisors (133908225942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89660289642 is a wasteful number, since it uses less digits than its factorization.

89660289642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194069914.

The product of its (nonzero) digits is 17915904, while the sum is 60.

The spelling of 89660289642 in words is "eighty-nine billion, six hundred sixty million, two hundred eighty-nine thousand, six hundred forty-two".