8689551955 has 48 divisors (see below), whose sum is σ = 12864808800. Its totient is φ = 5598716928.

The previous prime is 8689551947. The next prime is 8689551977. The reversal of 8689551955 is 5591559868.

It is not a de Polignac number, because 8689551955 - 2³ = 8689551947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8689551893 and 8689551902.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 3218196 + ... + 3220894.

It is an arithmetic number, because the mean of its divisors is an integer number (268016850).

Almost surely, 2^8689551955 is an apocalyptic number.

8689551955 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

8689551955 is a deficient number, since it is larger than the sum of its proper divisors (4175256845).

8689551955 is a wasteful number, since it uses less digits than its factorization.

8689551955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3508 (or 3501 counting only the distinct ones).

The product of its digits is 19440000, while the sum is 61.

The square root of 8689551955 is about 93217.7663055707. The cubic root of 8689551955 is about 2055.8864684032.

The spelling of 8689551955 in words is "eight billion, six hundred eighty-nine million, five hundred fifty-one thousand, nine hundred fifty-five".