87969065 has 8 divisors (see below), whose sum is σ = 106064448. Its totient is φ = 70040880.

The previous prime is 87969019. The next prime is 87969121. The reversal of 87969065 is 56096978.

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

It is not a de Polignac number, because 87969065 - 2¹² = 87964969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40637 + ... + 42746.

It is an arithmetic number, because the mean of its divisors is an integer number (13258056).

Almost surely, 2^87969065 is an apocalyptic number.

It is an amenable number.

87969065 is a deficient number, since it is larger than the sum of its proper divisors (18095383).

87969065 is a wasteful number, since it uses less digits than its factorization.

87969065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83599.

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 87969065 is about 9379.1825336753. The cubic root of 87969065 is about 444.7438916840.

The spelling of 87969065 in words is "eighty-seven million, nine hundred sixty-nine thousand, sixty-five".