87392611787 has 8 divisors (see below), whose sum is σ = 95657992080. Its totient is φ = 79347641760.

The previous prime is 87392611753. The next prime is 87392611799. The reversal of 87392611787 is 78711629378.

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 87392611787 - 2¹⁰ = 87392610763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87392617787) 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, 55101737 + ... + 55103322.

It is an arithmetic number, because the mean of its divisors is an integer number (11957249010).

Almost surely, 2^87392611787 is an apocalyptic number.

87392611787 is a deficient number, since it is larger than the sum of its proper divisors (8265380293).

87392611787 is a wasteful number, since it uses less digits than its factorization.

87392611787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110205133.

The product of its digits is 7112448, while the sum is 59.

The spelling of 87392611787 in words is "eighty-seven billion, three hundred ninety-two million, six hundred eleven thousand, seven hundred eighty-seven".