87719307115 has 8 divisors (see below), whose sum is σ = 114832547568. Its totient is φ = 63795859680.

The previous prime is 87719307079. The next prime is 87719307121. The reversal of 87719307115 is 51170391778.

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 87719307115 - 2²³ = 87710918507 is a prime.

It is a Duffinian 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, 797448192 + ... + 797448301.

It is an arithmetic number, because the mean of its divisors is an integer number (14354068446).

Almost surely, 2^87719307115 is an apocalyptic number.

87719307115 is a deficient number, since it is larger than the sum of its proper divisors (27113240453).

87719307115 is a wasteful number, since it uses less digits than its factorization.

87719307115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594896509.

The product of its (nonzero) digits is 370440, while the sum is 49.

The spelling of 87719307115 in words is "eighty-seven billion, seven hundred nineteen million, three hundred seven thousand, one hundred fifteen".