90803719 has 2 divisors, whose sum is σ = 90803720. Its totient is φ = 90803718.

The previous prime is 90803707. The next prime is 90803723. The reversal of 90803719 is 91730809.

It is a strong prime.

It is an emirp because it is prime and its reverse (91730809) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90803719 - 2¹¹ = 90801671 is a prime.

It is a super-2 number, since 2×90803719² = 16490630768461922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90803759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45401859 + 45401860.

It is an arithmetic number, because the mean of its divisors is an integer number (45401860).

Almost surely, 2^90803719 is an apocalyptic number.

90803719 is a deficient number, since it is larger than the sum of its proper divisors (1).

90803719 is an equidigital number, since it uses as much as digits as its factorization.

90803719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 90803719 is about 9529.0985407855. The cubic root of 90803719 is about 449.4705196324.

The spelling of 90803719 in words is "ninety million, eight hundred three thousand, seven hundred nineteen".