87372409281716 has 12 divisors (see below), whose sum is σ = 164663386723332. Its totient is φ = 40325727360768.

The previous prime is 87372409281691. The next prime is 87372409281739. The reversal of 87372409281716 is 61718290427378.

It can be written as a sum of positive squares in 2 ways, for example, as 23524478841616 + 63847930440100 = 4850204^2 + 7990490^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840119319965 + ... + 840119320068.

It is an arithmetic number, because the mean of its divisors is an integer number (13721948893611).

Almost surely, 2^{87372409281716} is an apocalyptic number.

It is an amenable number.

87372409281716 is a deficient number, since it is larger than the sum of its proper divisors (77290977441616).

87372409281716 is a wasteful number, since it uses less digits than its factorization.

87372409281716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680238640050 (or 1680238640048 counting only the distinct ones).

The product of its (nonzero) digits is 56899584, while the sum is 65.

The spelling of 87372409281716 in words is "eighty-seven trillion, three hundred seventy-two billion, four hundred nine million, two hundred eighty-one thousand, seven hundred sixteen".