87788102 has 16 divisors (see below), whose sum is σ = 145491552. Its totient is φ = 39515520.

The previous prime is 87788101. The next prime is 87788111. The reversal of 87788102 is 20188778.

It is a self number, because there is not a number n which added to its sum of digits gives 87788102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87788101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55349 + ... + 56912.

It is an arithmetic number, because the mean of its divisors is an integer number (9093222).

Almost surely, 2^87788102 is an apocalyptic number.

87788102 is a deficient number, since it is larger than the sum of its proper divisors (57703450).

87788102 is a wasteful number, since it uses less digits than its factorization.

87788102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112303.

The product of its (nonzero) digits is 50176, while the sum is 41.

The square root of 87788102 is about 9369.5305111836. The cubic root of 87788102 is about 444.4387183475.

The spelling of 87788102 in words is "eighty-seven million, seven hundred eighty-eight thousand, one hundred two".