90730782799 has 2 divisors, whose sum is σ = 90730782800. Its totient is φ = 90730782798.

The previous prime is 90730782713. The next prime is 90730782817. The reversal of 90730782799 is 99728703709.

It is a strong prime.

It is an emirp because it is prime and its reverse (99728703709) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90730782799 - 2¹⁹ = 90730258511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90730783799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45365391399 + 45365391400.

It is an arithmetic number, because the mean of its divisors is an integer number (45365391400).

Almost surely, 2^90730782799 is an apocalyptic number.

90730782799 is a deficient number, since it is larger than the sum of its proper divisors (1).

90730782799 is an equidigital number, since it uses as much as digits as its factorization.

90730782799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12002256, while the sum is 61.

The spelling of 90730782799 in words is "ninety billion, seven hundred thirty million, seven hundred eighty-two thousand, seven hundred ninety-nine".