87902078 has 16 divisors (see below), whose sum is σ = 144134640. Its totient is φ = 39873600.

The previous prime is 87902041. The next prime is 87902123. The reversal of 87902078 is 87020978.

It is a congruent number.

It is an unprimeable number.

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, 7628 + ... + 15296.

It is an arithmetic number, because the mean of its divisors is an integer number (9008415).

Almost surely, 2^87902078 is an apocalyptic number.

87902078 is a deficient number, since it is larger than the sum of its proper divisors (56232562).

87902078 is a wasteful number, since it uses less digits than its factorization.

87902078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8203.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 87902078 is about 9375.6108067688. The cubic root of 87902078 is about 444.6309746250.

The spelling of 87902078 in words is "eighty-seven million, nine hundred two thousand, seventy-eight".