987928077323 has 8 divisors (see below), whose sum is σ = 1077747044400. Its totient is φ = 898110330880.

The previous prime is 987928077319. The next prime is 987928077347. The reversal of 987928077323 is 323770829789.

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 987928077323 - 2² = 987928077319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 987928077323.

It is not an unprimeable number, because it can be changed into a prime (987928077623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2542811 + ... + 2905467.

It is an arithmetic number, because the mean of its divisors is an integer number (134718380550).

Almost surely, 2^987928077323 is an apocalyptic number.

987928077323 is a deficient number, since it is larger than the sum of its proper divisors (89818967077).

987928077323 is a wasteful number, since it uses less digits than its factorization.

987928077323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610317.

The product of its (nonzero) digits is 64012032, while the sum is 65.

The spelling of 987928077323 in words is "nine hundred eighty-seven billion, nine hundred twenty-eight million, seventy-seven thousand, three hundred twenty-three".