72157150847 has 2 divisors, whose sum is σ = 72157150848. Its totient is φ = 72157150846.

The previous prime is 72157150831. The next prime is 72157150883. The reversal of 72157150847 is 74805175127.

It is a weak prime.

It is an emirp because it is prime and its reverse (74805175127) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72157150847 - 2⁴ = 72157150831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72157170847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36078575423 + 36078575424.

It is an arithmetic number, because the mean of its divisors is an integer number (36078575424).

Almost surely, 2^72157150847 is an apocalyptic number.

72157150847 is a deficient number, since it is larger than the sum of its proper divisors (1).

72157150847 is an equidigital number, since it uses as much as digits as its factorization.

72157150847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 548800, while the sum is 47.

The spelling of 72157150847 in words is "seventy-two billion, one hundred fifty-seven million, one hundred fifty thousand, eight hundred forty-seven".