87865602395 has 4 divisors (see below), whose sum is σ = 105438722880. Its totient is φ = 70292481912.

The previous prime is 87865602361. The next prime is 87865602443. The reversal of 87865602395 is 59320656878.

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 87865602395 - 2²⁴ = 87848825179 is a prime.

It is a super-3 number, since 3×87865602395³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8786560235 + ... + 8786560244.

It is an arithmetic number, because the mean of its divisors is an integer number (26359680720).

Almost surely, 2^87865602395 is an apocalyptic number.

87865602395 is a deficient number, since it is larger than the sum of its proper divisors (17573120485).

87865602395 is a wasteful number, since it uses less digits than its factorization.

87865602395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17573120484.

The product of its (nonzero) digits is 21772800, while the sum is 59.

The spelling of 87865602395 in words is "eighty-seven billion, eight hundred sixty-five million, six hundred two thousand, three hundred ninety-five".