87145300865 has 8 divisors (see below), whose sum is σ = 119513555520. Its totient is φ = 59756777712.

The previous prime is 87145300831. The next prime is 87145300897. The reversal of 87145300865 is 56800354178.

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 87145300865 - 2¹² = 87145296769 is a prime.

It is a Curzon 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, 1244932835 + ... + 1244932904.

It is an arithmetic number, because the mean of its divisors is an integer number (14939194440).

Almost surely, 2^87145300865 is an apocalyptic number.

It is an amenable number.

87145300865 is a deficient number, since it is larger than the sum of its proper divisors (32368254655).

87145300865 is a wasteful number, since it uses less digits than its factorization.

87145300865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489865751.

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 87145300865 in words is "eighty-seven billion, one hundred forty-five million, three hundred thousand, eight hundred sixty-five".