89221506387 has 8 divisors (see below), whose sum is σ = 128112932304. Its totient is φ = 54905542368.

The previous prime is 89221506371. The next prime is 89221506431. The reversal of 89221506387 is 78360512298.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89221506387 - 2⁴ = 89221506371 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (89221506337) 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, 1143865428 + ... + 1143865505.

It is an arithmetic number, because the mean of its divisors is an integer number (16014116538).

Almost surely, 2^89221506387 is an apocalyptic number.

89221506387 is a deficient number, since it is larger than the sum of its proper divisors (38891425917).

89221506387 is a wasteful number, since it uses less digits than its factorization.

89221506387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287730949.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 89221506387 in words is "eighty-nine billion, two hundred twenty-one million, five hundred six thousand, three hundred eighty-seven".