87695915 has 4 divisors (see below), whose sum is σ = 105235104. Its totient is φ = 70156728.

The previous prime is 87695897. The next prime is 87695921. The reversal of 87695915 is 51959678.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87695915 - 2¹² = 87691819 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8769587 + ... + 8769596.

It is an arithmetic number, because the mean of its divisors is an integer number (26308776).

Almost surely, 2^87695915 is an apocalyptic number.

87695915 is a deficient number, since it is larger than the sum of its proper divisors (17539189).

87695915 is a wasteful number, since it uses less digits than its factorization.

87695915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17539188.

The product of its digits is 680400, while the sum is 50.

The square root of 87695915 is about 9364.6097088987. The cubic root of 87695915 is about 444.2830942897.

The spelling of 87695915 in words is "eighty-seven million, six hundred ninety-five thousand, nine hundred fifteen".