87080548765 has 32 divisors (see below), whose sum is σ = 122813349120. Its totient is φ = 58022313984.

The previous prime is 87080548759. The next prime is 87080548769. The reversal of 87080548765 is 56784508078.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87080548765 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87080548769) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 952134 + ... + 1039576.

It is an arithmetic number, because the mean of its divisors is an integer number (3837917160).

Almost surely, 2^87080548765 is an apocalyptic number.

It is an amenable number.

87080548765 is a deficient number, since it is larger than the sum of its proper divisors (35732800355).

87080548765 is a wasteful number, since it uses less digits than its factorization.

87080548765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88261.

The product of its (nonzero) digits is 15052800, while the sum is 58.

The spelling of 87080548765 in words is "eighty-seven billion, eighty million, five hundred forty-eight thousand, seven hundred sixty-five".