87300351409 has 4 divisors (see below), whose sum is σ = 89659820404. Its totient is φ = 84940882416.

The previous prime is 87300351389. The next prime is 87300351427. The reversal of 87300351409 is 90415300378.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49518710784 + 37781640625 = 222528^2 + 194375^2 .

It is a cyclic number.

It is not a de Polignac number, because 87300351409 - 2²³ = 87291962801 is a prime.

It is a super-2 number, since 2×87300351409² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87300351499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1179734442 + ... + 1179734515.

It is an arithmetic number, because the mean of its divisors is an integer number (22414955101).

Almost surely, 2^87300351409 is an apocalyptic number.

It is an amenable number.

87300351409 is a deficient number, since it is larger than the sum of its proper divisors (2359468995).

87300351409 is a wasteful number, since it uses less digits than its factorization.

87300351409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359468994.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 87300351409 in words is "eighty-seven billion, three hundred million, three hundred fifty-one thousand, four hundred nine".