980943187 has 8 divisors (see below), whose sum is σ = 1122044672. Its totient is φ = 840083400.

The previous prime is 980943167. The next prime is 980943217. The reversal of 980943187 is 781349089.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 980943187 - 2⁷ = 980943059 is a prime.

It is a super-2 number, since 2×980943187² = 1924499072243433938, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 980943187.

It is not an unprimeable number, because it can be changed into a prime (980943167) 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, 51639 + ... + 68032.

It is an arithmetic number, because the mean of its divisors is an integer number (140255584).

Almost surely, 2^980943187 is an apocalyptic number.

980943187 is a deficient number, since it is larger than the sum of its proper divisors (141101485).

980943187 is a wasteful number, since it uses less digits than its factorization.

980943187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120849.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 980943187 is about 31320.0125638544. The cubic root of 980943187 is about 993.6069449442.

The spelling of 980943187 in words is "nine hundred eighty million, nine hundred forty-three thousand, one hundred eighty-seven".