157539763 has 2 divisors, whose sum is σ = 157539764. Its totient is φ = 157539762.

The previous prime is 157539761. The next prime is 157539769. The reversal of 157539763 is 367935751.

It is a weak prime.

It is an emirp because it is prime and its reverse (367935751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157539763 - 2¹ = 157539761 is a prime.

Together with 157539761, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (157539761) 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, 78769881 + 78769882.

It is an arithmetic number, because the mean of its divisors is an integer number (78769882).

Almost surely, 2^157539763 is an apocalyptic number.

157539763 is a deficient number, since it is larger than the sum of its proper divisors (1).

157539763 is an equidigital number, since it uses as much as digits as its factorization.

157539763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 595350, while the sum is 46.

The square root of 157539763 is about 12551.4844938756. The cubic root of 157539763 is about 540.0865921951.

The spelling of 157539763 in words is "one hundred fifty-seven million, five hundred thirty-nine thousand, seven hundred sixty-three".