987166479 has 8 divisors (see below), whose sum is σ = 1417469872. Its totient is φ = 607487040.

The previous prime is 987166469. The next prime is 987166483. The reversal of 987166479 is 974661789.

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

It is not a de Polignac number, because 987166479 - 2⁵ = 987166447 is a prime.

It is a super-3 number, since 3×987166479³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987166429) 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, 12655942 + ... + 12656019.

It is an arithmetic number, because the mean of its divisors is an integer number (177183734).

Almost surely, 2^987166479 is an apocalyptic number.

987166479 is a deficient number, since it is larger than the sum of its proper divisors (430303393).

987166479 is a wasteful number, since it uses less digits than its factorization.

987166479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25311977.

The product of its digits is 4572288, while the sum is 57.

The square root of 987166479 is about 31419.2055755711. The cubic root of 987166479 is about 995.7037281483.

The spelling of 987166479 in words is "nine hundred eighty-seven million, one hundred sixty-six thousand, four hundred seventy-nine".