87496909 has 8 divisors (see below), whose sum is σ = 93132288. Its totient is φ = 81915840.

The previous prime is 87496901. The next prime is 87496931. The reversal of 87496909 is 90969478.

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

It is a cyclic number.

It is not a de Polignac number, because 87496909 - 2³ = 87496901 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87496901) 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, 10227 + ... + 16720.

It is an arithmetic number, because the mean of its divisors is an integer number (11641536).

Almost surely, 2^87496909 is an apocalyptic number.

It is an amenable number.

87496909 is a deficient number, since it is larger than the sum of its proper divisors (5635379).

87496909 is a wasteful number, since it uses less digits than its factorization.

87496909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27155.

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 87496909 is about 9353.9782445759. The cubic root of 87496909 is about 443.9467731692.

The spelling of 87496909 in words is "eighty-seven million, four hundred ninety-six thousand, nine hundred nine".