87461000645 has 8 divisors (see below), whose sum is σ = 104955002880. Its totient is φ = 69967599120.

The previous prime is 87461000629. The next prime is 87461000651. The reversal of 87461000645 is 54600016478.

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

It is not a de Polignac number, because 87461000645 - 2⁴ = 87461000629 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284540 + ... + 505850.

It is an arithmetic number, because the mean of its divisors is an integer number (13119375360).

Almost surely, 2^87461000645 is an apocalyptic number.

It is an amenable number.

87461000645 is a deficient number, since it is larger than the sum of its proper divisors (17494002235).

87461000645 is a wasteful number, since it uses less digits than its factorization.

87461000645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300355.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 87461000645 in words is "eighty-seven billion, four hundred sixty-one million, six hundred forty-five", and thus it is an aban number.