8898888987 has 20 divisors (see below), whose sum is σ = 13313593216. Its totient is φ = 5923581840.

The previous prime is 8898888949. The next prime is 8898889007. The reversal of 8898888987 is 7898888988.

It is not a de Polignac number, because 8898888987 - 2¹⁸ = 8898626843 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8898888917) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29563 + ... + 136644.

Almost surely, 2^8898888987 is an apocalyptic number.

8898888987 is a deficient number, since it is larger than the sum of its proper divisors (4414704229).

8898888987 is a wasteful number, since it uses less digits than its factorization.

8898888987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166880 (or 166871 counting only the distinct ones).

The product of its digits is 1189085184, while the sum is 81.

The square root of 8898888987 is about 94333.9227796661. The cubic root of 8898888987 is about 2072.2648619236.

Subtracting from 8898888987 its reverse (7898888988), we obtain a palindrome (999999999).

The spelling of 8898888987 in words is "eight billion, eight hundred ninety-eight million, eight hundred eighty-eight thousand, nine hundred eighty-seven".