87002768878875 has 24 divisors (see below), whose sum is σ = 156836991367680. Its totient is φ = 46401476734800.

The previous prime is 87002768878829. The next prime is 87002768878889. The reversal of 87002768878875 is 57887886720078.

It is not a de Polignac number, because 87002768878875 - 2²⁹ = 87002232007963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87002768878794 and 87002768878803.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38667896155 + ... + 38667898404.

It is an arithmetic number, because the mean of its divisors is an integer number (6534874640320).

Almost surely, 2^{87002768878875} is an apocalyptic number.

87002768878875 is a deficient number, since it is larger than the sum of its proper divisors (69834222488805).

87002768878875 is a wasteful number, since it uses less digits than its factorization.

87002768878875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77335794580 (or 77335794567 counting only the distinct ones).

The product of its (nonzero) digits is 4720558080, while the sum is 81.

The spelling of 87002768878875 in words is "eighty-seven trillion, two billion, seven hundred sixty-eight million, eight hundred seventy-eight thousand, eight hundred seventy-five".