8987117901 has 8 divisors (see below), whose sum is σ = 11983637184. Its totient is φ = 5991005280.

The previous prime is 8987117897. The next prime is 8987117903. The reversal of 8987117901 is 1097117898.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8987117901 - 2² = 8987117897 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8987117903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45696 + ... + 141641.

It is an arithmetic number, because the mean of its divisors is an integer number (1497954648).

Almost surely, 2^8987117901 is an apocalyptic number.

It is an amenable number.

8987117901 is a deficient number, since it is larger than the sum of its proper divisors (2996519283).

8987117901 is a wasteful number, since it uses less digits than its factorization.

8987117901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203331.

The product of its (nonzero) digits is 254016, while the sum is 51.

The square root of 8987117901 is about 94800.4108693628. The cubic root of 8987117901 is about 2079.0909104368.

The spelling of 8987117901 in words is "eight billion, nine hundred eighty-seven million, one hundred seventeen thousand, nine hundred one".