157730106097 has 2 divisors, whose sum is σ = 157730106098. Its totient is φ = 157730106096.

The previous prime is 157730106073. The next prime is 157730106173. The reversal of 157730106097 is 790601037751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154882389601 + 2847716496 = 393551^2 + 53364^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157730106097 is a prime.

It is not a weakly prime, because it can be changed into another prime (157730106007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78865053048 + 78865053049.

It is an arithmetic number, because the mean of its divisors is an integer number (78865053049).

Almost surely, 2^157730106097 is an apocalyptic number.

It is an amenable number.

157730106097 is a deficient number, since it is larger than the sum of its proper divisors (1).

157730106097 is an equidigital number, since it uses as much as digits as its factorization.

157730106097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 277830, while the sum is 46.

The spelling of 157730106097 in words is "one hundred fifty-seven billion, seven hundred thirty million, one hundred six thousand, ninety-seven".