987890102 has 8 divisors (see below), whose sum is σ = 1500592800. Its totient is φ = 487692504.

The previous prime is 987890087. The next prime is 987890117. The reversal of 987890102 is 201098789.

It is an interprime number because it is at equal distance from previous prime (987890087) and next prime (987890117).

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

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, 3126077 + ... + 3126392.

It is an arithmetic number, because the mean of its divisors is an integer number (187574100).

Almost surely, 2^987890102 is an apocalyptic number.

987890102 is a deficient number, since it is larger than the sum of its proper divisors (512702698).

987890102 is a wasteful number, since it uses less digits than its factorization.

987890102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6252550.

The product of its (nonzero) digits is 72576, while the sum is 44.

The square root of 987890102 is about 31430.7190818155. The cubic root of 987890102 is about 995.9469624129.

The spelling of 987890102 in words is "nine hundred eighty-seven million, eight hundred ninety thousand, one hundred two".