8856503881 has 3 divisors (see below), whose sum is σ = 8856597991. Its totient is φ = 8856409772.

The previous prime is 8856503869. The next prime is 8856503911. The reversal of 8856503881 is 1883056588.

The square root of 8856503881 is 94109.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 136679481 + 8719824400 = 11691^2 + 93380^2 .

It is not a de Polignac number, because 8856503881 - 2²⁹ = 8319632969 is a prime.

It is a super-2 number, since 2×8856503881² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8856503281) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 47055 + ... + 141163.

Almost surely, 2^8856503881 is an apocalyptic number.

8856503881 is the 94109-th square number.

8856503881 is the 47055-th centered octagonal number.

It is an amenable number.

8856503881 is a deficient number, since it is larger than the sum of its proper divisors (94110).

8856503881 is an frugal number, since it uses more digits than its factorization.

8856503881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188218 (or 94109 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 52.

The cubic root of 8856503881 is about 2068.9695822197.

The spelling of 8856503881 in words is "eight billion, eight hundred fifty-six million, five hundred three thousand, eight hundred eighty-one".