87002878 has 8 divisors (see below), whose sum is σ = 131369040. Its totient is φ = 43213200.

The previous prime is 87002857. The next prime is 87002893. The reversal of 87002878 is 87820078.

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

It is a self number, because there is not a number n which added to its sum of digits gives 87002878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143743 + ... + 144346.

It is an arithmetic number, because the mean of its divisors is an integer number (16421130).

Almost surely, 2^87002878 is an apocalyptic number.

87002878 is a deficient number, since it is larger than the sum of its proper divisors (44366162).

87002878 is a wasteful number, since it uses less digits than its factorization.

87002878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288242.

The product of its (nonzero) digits is 50176, while the sum is 40.

The square root of 87002878 is about 9327.5333288067. The cubic root of 87002878 is about 443.1096481519.

The spelling of 87002878 in words is "eighty-seven million, two thousand, eight hundred seventy-eight".