87546064577 has 8 divisors (see below), whose sum is σ = 92099894400. Its totient is φ = 83094568144.

The previous prime is 87546064531. The next prime is 87546064579. The reversal of 87546064577 is 77546064578.

It is a happy number.

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

It is not a de Polignac number, because 87546064577 - 2³⁰ = 86472322753 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87546064579) 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, 25581593 + ... + 25585014.

It is an arithmetic number, because the mean of its divisors is an integer number (11512486800).

Almost surely, 2^87546064577 is an apocalyptic number.

It is an amenable number.

87546064577 is a deficient number, since it is larger than the sum of its proper divisors (4553829823).

87546064577 is a wasteful number, since it uses less digits than its factorization.

87546064577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51166695.

The product of its (nonzero) digits is 39513600, while the sum is 59.

Subtracting from 87546064577 its reverse (77546064578), we obtain a palindrome (9999999999).

The spelling of 87546064577 in words is "eighty-seven billion, five hundred forty-six million, sixty-four thousand, five hundred seventy-seven".