987071641 has 8 divisors (see below), whose sum is σ = 1044248000. Its totient is φ = 930417840.

The previous prime is 987071623. The next prime is 987071669. The reversal of 987071641 is 146170789.

987071641 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 not a de Polignac number, because 987071641 - 2⁷ = 987071513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (987071941) 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, 126750 + ... + 134311.

It is an arithmetic number, because the mean of its divisors is an integer number (130531000).

Almost surely, 2^987071641 is an apocalyptic number.

It is an amenable number.

987071641 is a deficient number, since it is larger than the sum of its proper divisors (57176359).

987071641 is a wasteful number, since it uses less digits than its factorization.

987071641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261279.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 987071641 is about 31417.6963031983. The cubic root of 987071641 is about 995.6718410667.

The spelling of 987071641 in words is "nine hundred eighty-seven million, seventy-one thousand, six hundred forty-one".