87966977 has 8 divisors (see below), whose sum is σ = 101664000. Its totient is φ = 74552544.

The previous prime is 87966961. The next prime is 87967021. The reversal of 87966977 is 77966978.

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 87966977 - 2⁴ = 87966961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87966937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69977 + ... + 71222.

It is an arithmetic number, because the mean of its divisors is an integer number (12708000).

Almost surely, 2^87966977 is an apocalyptic number.

It is an amenable number.

87966977 is a deficient number, since it is larger than the sum of its proper divisors (13697023).

87966977 is a wasteful number, since it uses less digits than its factorization.

87966977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141295.

The product of its digits is 8001504, while the sum is 59.

The square root of 87966977 is about 9379.0712226744. The cubic root of 87966977 is about 444.7403728994.

Subtracting from 87966977 its reverse (77966978), we obtain a palindrome (9999999).

The spelling of 87966977 in words is "eighty-seven million, nine hundred sixty-six thousand, nine hundred seventy-seven".