87298373 has 2 divisors, whose sum is σ = 87298374. Its totient is φ = 87298372.

The previous prime is 87298361. The next prime is 87298433. The reversal of 87298373 is 37389278.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87291649 + 6724 = 9343^2 + 82^2 .

It is a cyclic number.

It is not a de Polignac number, because 87298373 - 2⁴ = 87298357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87298303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43649186 + 43649187.

It is an arithmetic number, because the mean of its divisors is an integer number (43649187).

Almost surely, 2^87298373 is an apocalyptic number.

It is an amenable number.

87298373 is a deficient number, since it is larger than the sum of its proper divisors (1).

87298373 is an equidigital number, since it uses as much as digits as its factorization.

87298373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 47.

The square root of 87298373 is about 9343.3598346633. The cubic root of 87298373 is about 443.6107378115.

The spelling of 87298373 in words is "eighty-seven million, two hundred ninety-eight thousand, three hundred seventy-three".