72377362789 has 2 divisors, whose sum is σ = 72377362790. Its totient is φ = 72377362788.

The previous prime is 72377362787. The next prime is 72377362823. The reversal of 72377362789 is 98726377327.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50359848100 + 22017514689 = 224410^2 + 148383^2 .

It is a cyclic number.

It is not a de Polignac number, because 72377362789 - 2¹ = 72377362787 is a prime.

Together with 72377362787, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72377362781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36188681394 + 36188681395.

It is an arithmetic number, because the mean of its divisors is an integer number (36188681395).

Almost surely, 2^72377362789 is an apocalyptic number.

It is an amenable number.

72377362789 is a deficient number, since it is larger than the sum of its proper divisors (1).

72377362789 is an equidigital number, since it uses as much as digits as its factorization.

72377362789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37340352, while the sum is 61.

The spelling of 72377362789 in words is "seventy-two billion, three hundred seventy-seven million, three hundred sixty-two thousand, seven hundred eighty-nine".