72523099799 has 2 divisors, whose sum is σ = 72523099800. Its totient is φ = 72523099798.

The previous prime is 72523099723. The next prime is 72523099841. The reversal of 72523099799 is 99799032527.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72523099799 - 2²⁸ = 72254664343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72523099709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36261549899 + 36261549900.

It is an arithmetic number, because the mean of its divisors is an integer number (36261549900).

Almost surely, 2^72523099799 is an apocalyptic number.

72523099799 is a deficient number, since it is larger than the sum of its proper divisors (1).

72523099799 is an equidigital number, since it uses as much as digits as its factorization.

72523099799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19289340, while the sum is 62.

The spelling of 72523099799 in words is "seventy-two billion, five hundred twenty-three million, ninety-nine thousand, seven hundred ninety-nine".