72687825659 has 2 divisors, whose sum is σ = 72687825660. Its totient is φ = 72687825658.

The previous prime is 72687825649. The next prime is 72687825713. The reversal of 72687825659 is 95652878627.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72687825659 - 2⁴ = 72687825643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72687825595 and 72687825604.

It is not a weakly prime, because it can be changed into another prime (72687825649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36343912829 + 36343912830.

It is an arithmetic number, because the mean of its divisors is an integer number (36343912830).

Almost surely, 2^72687825659 is an apocalyptic number.

72687825659 is a deficient number, since it is larger than the sum of its proper divisors (1).

72687825659 is an equidigital number, since it uses as much as digits as its factorization.

72687825659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 101606400, while the sum is 65.

The spelling of 72687825659 in words is "seventy-two billion, six hundred eighty-seven million, eight hundred twenty-five thousand, six hundred fifty-nine".