87689276971 has 8 divisors (see below), whose sum is σ = 93715205040. Its totient is φ = 81759763968.

The previous prime is 87689276951. The next prime is 87689276977. The reversal of 87689276971 is 17967298678.

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 87689276971 - 2⁹ = 87689276459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87689276971.

It is not an unprimeable number, because it can be changed into a prime (87689276977) 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 7 ways as a sum of consecutive naturals, for example, 24101886 + ... + 24105523.

It is an arithmetic number, because the mean of its divisors is an integer number (11714400630).

Almost surely, 2^87689276971 is an apocalyptic number.

87689276971 is a deficient number, since it is larger than the sum of its proper divisors (6025928069).

87689276971 is a wasteful number, since it uses less digits than its factorization.

87689276971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48207533.

The product of its digits is 128024064, while the sum is 70.

The spelling of 87689276971 in words is "eighty-seven billion, six hundred eighty-nine million, two hundred seventy-six thousand, nine hundred seventy-one".