89550822669 has 16 divisors (see below), whose sum is σ = 148863705600. Its totient is φ = 46519907760.

The previous prime is 89550822661. The next prime is 89550822671. The reversal of 89550822669 is 96622805598.

It is not a de Polignac number, because 89550822669 - 2³ = 89550822661 is a prime.

It is a super-2 number, since 2×89550822669² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89550822661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193832719 + ... + 193833180.

It is an arithmetic number, because the mean of its divisors is an integer number (9303981600).

Almost surely, 2^89550822669 is an apocalyptic number.

It is an amenable number.

89550822669 is a deficient number, since it is larger than the sum of its proper divisors (59312882931).

89550822669 is a wasteful number, since it uses less digits than its factorization.

89550822669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387665920.

The product of its (nonzero) digits is 18662400, while the sum is 60.

It can be divided in two parts, 89550 and 822669, that added together give a palindrome (912219).

The spelling of 89550822669 in words is "eighty-nine billion, five hundred fifty million, eight hundred twenty-two thousand, six hundred sixty-nine".