99677160951257 has 2 divisors, whose sum is σ = 99677160951258. Its totient is φ = 99677160951256.

The previous prime is 99677160951217. The next prime is 99677160951293. The reversal of 99677160951257 is 75215906177699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99380741682121 + 296419269136 = 9968989^2 + 544444^2 .

It is a cyclic number.

It is not a de Polignac number, because 99677160951257 - 2²⁶ = 99677093842393 is a prime.

It is not a weakly prime, because it can be changed into another prime (99677160951217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49838580475628 + 49838580475629.

It is an arithmetic number, because the mean of its divisors is an integer number (49838580475629).

Almost surely, 2^{99677160951257} is an apocalyptic number.

It is an amenable number.

99677160951257 is a deficient number, since it is larger than the sum of its proper divisors (1).

99677160951257 is an equidigital number, since it uses as much as digits as its factorization.

99677160951257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450084600, while the sum is 74.

The spelling of 99677160951257 in words is "ninety-nine trillion, six hundred seventy-seven billion, one hundred sixty million, nine hundred fifty-one thousand, two hundred fifty-seven".