87381367001 has 2 divisors, whose sum is σ = 87381367002. Its totient is φ = 87381367000.

The previous prime is 87381366931. The next prime is 87381367019. The reversal of 87381367001 is 10076318378.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44131925776 + 43249441225 = 210076^2 + 207965^2 .

It is a cyclic number.

It is not a de Polignac number, because 87381367001 - 2¹⁰ = 87381365977 is a prime.

It is a super-3 number, since 3×87381367001³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (87381367091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43690683500 + 43690683501.

It is an arithmetic number, because the mean of its divisors is an integer number (43690683501).

Almost surely, 2^87381367001 is an apocalyptic number.

It is an amenable number.

87381367001 is a deficient number, since it is larger than the sum of its proper divisors (1).

87381367001 is an equidigital number, since it uses as much as digits as its factorization.

87381367001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 87381367001 in words is "eighty-seven billion, three hundred eighty-one million, three hundred sixty-seven thousand, one".