157329677 has 2 divisors, whose sum is σ = 157329678. Its totient is φ = 157329676.

The previous prime is 157329631. The next prime is 157329691. The reversal of 157329677 is 776923751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108035236 + 49294441 = 10394^2 + 7021^2 .

It is a cyclic number.

It is not a de Polignac number, because 157329677 - 2⁸ = 157329421 is a prime.

It is a super-3 number, since 3×157329677³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157329607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78664838 + 78664839.

It is an arithmetic number, because the mean of its divisors is an integer number (78664839).

Almost surely, 2^157329677 is an apocalyptic number.

It is an amenable number.

157329677 is a deficient number, since it is larger than the sum of its proper divisors (1).

157329677 is an equidigital number, since it uses as much as digits as its factorization.

157329677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 555660, while the sum is 47.

The square root of 157329677 is about 12543.1127316946. The cubic root of 157329677 is about 539.8464092222.

The spelling of 157329677 in words is "one hundred fifty-seven million, three hundred twenty-nine thousand, six hundred seventy-seven".