87153809487 has 8 divisors (see below), whose sum is σ = 116221412736. Its totient is φ = 58094372952.

The previous prime is 87153809423. The next prime is 87153809489. The reversal of 87153809487 is 78490835178.

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

It is not a de Polignac number, because 87153809487 - 2⁶ = 87153809423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87153809487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87153809489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2016733 + ... + 2059494.

It is an arithmetic number, because the mean of its divisors is an integer number (14527676592).

Almost surely, 2^87153809487 is an apocalyptic number.

87153809487 is a deficient number, since it is larger than the sum of its proper divisors (29067603249).

87153809487 is a wasteful number, since it uses less digits than its factorization.

87153809487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4083357.

The product of its (nonzero) digits is 13547520, while the sum is 60.

The spelling of 87153809487 in words is "eighty-seven billion, one hundred fifty-three million, eight hundred nine thousand, four hundred eighty-seven".