157272667 has 2 divisors, whose sum is σ = 157272668. Its totient is φ = 157272666.

The previous prime is 157272653. The next prime is 157272737. The reversal of 157272667 is 766272751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157272667 - 2¹⁹ = 156748379 is a prime.

It is not a weakly prime, because it can be changed into another prime (157272767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78636333 + 78636334.

It is an arithmetic number, because the mean of its divisors is an integer number (78636334).

Almost surely, 2^157272667 is an apocalyptic number.

157272667 is a deficient number, since it is larger than the sum of its proper divisors (1).

157272667 is an equidigital number, since it uses as much as digits as its factorization.

157272667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 246960, while the sum is 43.

The square root of 157272667 is about 12540.8399638940. The cubic root of 157272667 is about 539.7811950755.

The spelling of 157272667 in words is "one hundred fifty-seven million, two hundred seventy-two thousand, six hundred sixty-seven".