987992203 has 8 divisors (see below), whose sum is σ = 1078148160. Its totient is φ = 897892680.

The previous prime is 987992197. The next prime is 987992219. The reversal of 987992203 is 302299789.

987992203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-987992203 is a prime.

It is a super-2 number, since 2×987992203² = 1952257186377586418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (987992263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27976 + ... + 52522.

It is an arithmetic number, because the mean of its divisors is an integer number (134768520).

Almost surely, 2^987992203 is an apocalyptic number.

987992203 is a deficient number, since it is larger than the sum of its proper divisors (90155957).

987992203 is a wasteful number, since it uses less digits than its factorization.

987992203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28217.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 987992203 is about 31432.3432629513. The cubic root of 987992203 is about 995.9812724634.

The spelling of 987992203 in words is "nine hundred eighty-seven million, nine hundred ninety-two thousand, two hundred three".