147232087657 has 2 divisors, whose sum is σ = 147232087658. Its totient is φ = 147232087656.

The previous prime is 147232087619. The next prime is 147232087669. The reversal of 147232087657 is 756780232741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92705634576 + 54526453081 = 304476^2 + 233509^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147232087657 is a prime.

It is not a weakly prime, because it can be changed into another prime (147232087687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73616043828 + 73616043829.

It is an arithmetic number, because the mean of its divisors is an integer number (73616043829).

Almost surely, 2^147232087657 is an apocalyptic number.

It is an amenable number.

147232087657 is a deficient number, since it is larger than the sum of its proper divisors (1).

147232087657 is an equidigital number, since it uses as much as digits as its factorization.

147232087657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3951360, while the sum is 52.

The spelling of 147232087657 in words is "one hundred forty-seven billion, two hundred thirty-two million, eighty-seven thousand, six hundred fifty-seven".