987446801 has 16 divisors (see below), whose sum is σ = 1092522816. Its totient is φ = 885000000.

The previous prime is 987446791. The next prime is 987446809. The reversal of 987446801 is 108644789.

It is a cyclic number.

It is not a de Polignac number, because 987446801 - 2¹⁴ = 987430417 is a prime.

It is a deceptive number, since it divides R_987446800.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (987446809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277091 + ... + 280631.

It is an arithmetic number, because the mean of its divisors is an integer number (68282676).

Almost surely, 2^987446801 is an apocalyptic number.

It is an amenable number.

987446801 is a deficient number, since it is larger than the sum of its proper divisors (105076015).

987446801 is a wasteful number, since it uses less digits than its factorization.

987446801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3904.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 987446801 is about 31423.6662565016. Note that the first 3 decimals coincide. The cubic root of 987446801 is about 995.7979679922.

The spelling of 987446801 in words is "nine hundred eighty-seven million, four hundred forty-six thousand, eight hundred one".