157730334077 has 2 divisors, whose sum is σ = 157730334078. Its totient is φ = 157730334076.

The previous prime is 157730334023. The next prime is 157730334109. The reversal of 157730334077 is 770433037751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139707003076 + 18023331001 = 373774^2 + 134251^2 .

It is a cyclic number.

It is not a de Polignac number, because 157730334077 - 2¹⁰ = 157730333053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157730334017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78865167038 + 78865167039.

It is an arithmetic number, because the mean of its divisors is an integer number (78865167039).

Almost surely, 2^157730334077 is an apocalyptic number.

It is an amenable number.

157730334077 is a deficient number, since it is larger than the sum of its proper divisors (1).

157730334077 is an equidigital number, since it uses as much as digits as its factorization.

157730334077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296540, while the sum is 47.

The spelling of 157730334077 in words is "one hundred fifty-seven billion, seven hundred thirty million, three hundred thirty-four thousand, seventy-seven".