87495909 has 8 divisors (see below), whose sum is σ = 116840352. Its totient is φ = 58241040.

The previous prime is 87495901. The next prime is 87495911. The reversal of 87495909 is 90959478.

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 87495909 - 2³ = 87495901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87495901) 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, 20079 + ... + 24044.

It is an arithmetic number, because the mean of its divisors is an integer number (14605044).

Almost surely, 2^87495909 is an apocalyptic number.

It is an amenable number.

87495909 is a deficient number, since it is larger than the sum of its proper divisors (29344443).

87495909 is a wasteful number, since it uses less digits than its factorization.

87495909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44787.

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 87495909 is about 9353.9247912307. The cubic root of 87495909 is about 443.9450818772.

The spelling of 87495909 in words is "eighty-seven million, four hundred ninety-five thousand, nine hundred nine".