980236987 has 8 divisors (see below), whose sum is σ = 1003457840. Its totient is φ = 957035520.

The previous prime is 980236973. The next prime is 980236997. The reversal of 980236987 is 789632089.

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

It is not a de Polignac number, because 980236987 - 2¹¹ = 980234939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (980236997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174787 + ... + 180307.

It is an arithmetic number, because the mean of its divisors is an integer number (125432230).

Almost surely, 2^980236987 is an apocalyptic number.

980236987 is a deficient number, since it is larger than the sum of its proper divisors (23220853).

980236987 is a wasteful number, since it uses less digits than its factorization.

980236987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9693.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 980236987 is about 31308.7365922038. The cubic root of 980236987 is about 993.3684487409.

The spelling of 980236987 in words is "nine hundred eighty million, two hundred thirty-six thousand, nine hundred eighty-seven".