87368473 has 2 divisors, whose sum is σ = 87368474. Its totient is φ = 87368472.

The previous prime is 87368453. The next prime is 87368483. The reversal of 87368473 is 37486378.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80335369 + 7033104 = 8963^2 + 2652^2 .

It is a cyclic number.

It is not a de Polignac number, because 87368473 - 2¹⁷ = 87237401 is a prime.

It is not a weakly prime, because it can be changed into another prime (87368453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43684236 + 43684237.

It is an arithmetic number, because the mean of its divisors is an integer number (43684237).

Almost surely, 2^87368473 is an apocalyptic number.

It is an amenable number.

87368473 is a deficient number, since it is larger than the sum of its proper divisors (1).

87368473 is an equidigital number, since it uses as much as digits as its factorization.

87368473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 46.

The square root of 87368473 is about 9347.1104091051. The cubic root of 87368473 is about 443.7294448457.

The spelling of 87368473 in words is "eighty-seven million, three hundred sixty-eight thousand, four hundred seventy-three".