87358221403 has 2 divisors, whose sum is σ = 87358221404. Its totient is φ = 87358221402.

The previous prime is 87358221383. The next prime is 87358221463. The reversal of 87358221403 is 30412285378.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87358221403 - 2¹³ = 87358213211 is a prime.

It is a super-3 number, since 3×87358221403³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87358221403.

It is not a weakly prime, because it can be changed into another prime (87358221463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43679110701 + 43679110702.

It is an arithmetic number, because the mean of its divisors is an integer number (43679110702).

Almost surely, 2^87358221403 is an apocalyptic number.

87358221403 is a deficient number, since it is larger than the sum of its proper divisors (1).

87358221403 is an equidigital number, since it uses as much as digits as its factorization.

87358221403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 87358221403 in words is "eighty-seven billion, three hundred fifty-eight million, two hundred twenty-one thousand, four hundred three".