87141573401 has 2 divisors, whose sum is σ = 87141573402. Its totient is φ = 87141573400.

The previous prime is 87141573397. The next prime is 87141573413. The reversal of 87141573401 is 10437514178.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46710015625 + 40431557776 = 216125^2 + 201076^2 .

It is a cyclic number.

It is not a de Polignac number, because 87141573401 - 2² = 87141573397 is a prime.

It is not a weakly prime, because it can be changed into another prime (87141573601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43570786700 + 43570786701.

It is an arithmetic number, because the mean of its divisors is an integer number (43570786701).

Almost surely, 2^87141573401 is an apocalyptic number.

It is an amenable number.

87141573401 is a deficient number, since it is larger than the sum of its proper divisors (1).

87141573401 is an equidigital number, since it uses as much as digits as its factorization.

87141573401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 41.

The spelling of 87141573401 in words is "eighty-seven billion, one hundred forty-one million, five hundred seventy-three thousand, four hundred one".