8551438755 has 16 divisors (see below), whose sum is σ = 14277185280. Its totient is φ = 4362472928.

The previous prime is 8551438751. The next prime is 8551438769. The reversal of 8551438755 is 5578341558.

It is not a de Polignac number, because 8551438755 - 2² = 8551438751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8551438698 and 8551438707.

It is not an unprimeable number, because it can be changed into a prime (8551438751) 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, 12393045 + ... + 12393734.

It is an arithmetic number, because the mean of its divisors is an integer number (892324080).

Almost surely, 2^8551438755 is an apocalyptic number.

8551438755 is a deficient number, since it is larger than the sum of its proper divisors (5725746525).

8551438755 is a wasteful number, since it uses less digits than its factorization.

8551438755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24786810.

The product of its digits is 3360000, while the sum is 51.

The square root of 8551438755 is about 92473.9896132961. The cubic root of 8551438755 is about 2044.9360441338.

The spelling of 8551438755 in words is "eight billion, five hundred fifty-one million, four hundred thirty-eight thousand, seven hundred fifty-five".