987746671 has 8 divisors (see below), whose sum is σ = 1004979600. Its totient is φ = 970530240.

The previous prime is 987746651. The next prime is 987746687. The reversal of 987746671 is 176647789.

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 987746671 - 2²⁷ = 853528943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987746651) 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, 229681 + ... + 233941.

It is an arithmetic number, because the mean of its divisors is an integer number (125622450).

Almost surely, 2^987746671 is an apocalyptic number.

987746671 is a deficient number, since it is larger than the sum of its proper divisors (17232929).

987746671 is a wasteful number, since it uses less digits than its factorization.

987746671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8249.

The product of its digits is 3556224, while the sum is 55.

The square root of 987746671 is about 31428.4372980904. The cubic root of 987746671 is about 995.8987598235.

The spelling of 987746671 in words is "nine hundred eighty-seven million, seven hundred forty-six thousand, six hundred seventy-one".