988895081 has 4 divisors (see below), whose sum is σ = 989826432. Its totient is φ = 987963732.

The previous prime is 988895077. The next prime is 988895093. The reversal of 988895081 is 180598889.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 988895081 - 2² = 988895077 is a prime.

It is a super-2 number, since 2×988895081² = 1955826962451993122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (988895581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464081 + ... + 466206.

It is an arithmetic number, because the mean of its divisors is an integer number (247456608).

Almost surely, 2^988895081 is an apocalyptic number.

It is an amenable number.

988895081 is a deficient number, since it is larger than the sum of its proper divisors (931351).

988895081 is a wasteful number, since it uses less digits than its factorization.

988895081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931350.

The product of its (nonzero) digits is 1658880, while the sum is 56.

The square root of 988895081 is about 31446.7022277376. The cubic root of 988895081 is about 996.2845730322.

The spelling of 988895081 in words is "nine hundred eighty-eight million, eight hundred ninety-five thousand, eighty-one".