157764632432027 has 2 divisors, whose sum is σ = 157764632432028. Its totient is φ = 157764632432026.

The previous prime is 157764632432009. The next prime is 157764632432089. The reversal of 157764632432027 is 720234236467751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157764632432027 - 2⁸ = 157764632431771 is a prime.

It is not a weakly prime, because it can be changed into another prime (157764632432227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78882316216013 + 78882316216014.

It is an arithmetic number, because the mean of its divisors is an integer number (78882316216014).

Almost surely, 2^{157764632432027} is an apocalyptic number.

157764632432027 is a deficient number, since it is larger than the sum of its proper divisors (1).

157764632432027 is an equidigital number, since it uses as much as digits as its factorization.

157764632432027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71124480, while the sum is 59.

Adding to 157764632432027 its reverse (720234236467751), we get a palindrome (877998868899778).

The spelling of 157764632432027 in words is "one hundred fifty-seven trillion, seven hundred sixty-four billion, six hundred thirty-two million, four hundred thirty-two thousand, twenty-seven".