72203404477783 has 2 divisors, whose sum is σ = 72203404477784. Its totient is φ = 72203404477782.

The previous prime is 72203404477753. The next prime is 72203404477823. The reversal of 72203404477783 is 38777440430227.

It is a weak prime.

It is an emirp because it is prime and its reverse (38777440430227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72203404477783 - 2³³ = 72194814543191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72203404477753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36101702238891 + 36101702238892.

It is an arithmetic number, because the mean of its divisors is an integer number (36101702238892).

Almost surely, 2^{72203404477783} is an apocalyptic number.

72203404477783 is a deficient number, since it is larger than the sum of its proper divisors (1).

72203404477783 is an equidigital number, since it uses as much as digits as its factorization.

72203404477783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44255232, while the sum is 58.

The spelling of 72203404477783 in words is "seventy-two trillion, two hundred three billion, four hundred four million, four hundred seventy-seven thousand, seven hundred eighty-three".