72378954799 has 2 divisors, whose sum is σ = 72378954800. Its totient is φ = 72378954798.

The previous prime is 72378954761. The next prime is 72378954811. The reversal of 72378954799 is 99745987327.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72378954799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72378954499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36189477399 + 36189477400.

It is an arithmetic number, because the mean of its divisors is an integer number (36189477400).

Almost surely, 2^72378954799 is an apocalyptic number.

72378954799 is a deficient number, since it is larger than the sum of its proper divisors (1).

72378954799 is an equidigital number, since it uses as much as digits as its factorization.

72378954799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240045120, while the sum is 70.

The spelling of 72378954799 in words is "seventy-two billion, three hundred seventy-eight million, nine hundred fifty-four thousand, seven hundred ninety-nine".