72286285639 has 2 divisors, whose sum is σ = 72286285640. Its totient is φ = 72286285638.

The previous prime is 72286285607. The next prime is 72286285657. The reversal of 72286285639 is 93658268227.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72286285639 - 2⁵ = 72286285607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72286285679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36143142819 + 36143142820.

It is an arithmetic number, because the mean of its divisors is an integer number (36143142820).

Almost surely, 2^72286285639 is an apocalyptic number.

72286285639 is a deficient number, since it is larger than the sum of its proper divisors (1).

72286285639 is an equidigital number, since it uses as much as digits as its factorization.

72286285639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17418240, while the sum is 58.

The spelling of 72286285639 in words is "seventy-two billion, two hundred eighty-six million, two hundred eighty-five thousand, six hundred thirty-nine".