98194157 has 2 divisors, whose sum is σ = 98194158. Its totient is φ = 98194156.

The previous prime is 98194127. The next prime is 98194171. The reversal of 98194157 is 75149189.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86007076 + 12187081 = 9274^2 + 3491^2 .

It is an emirp because it is prime and its reverse (75149189) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98194157 - 2⁶ = 98194093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98194127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49097078 + 49097079.

It is an arithmetic number, because the mean of its divisors is an integer number (49097079).

Almost surely, 2^98194157 is an apocalyptic number.

It is an amenable number.

98194157 is a deficient number, since it is larger than the sum of its proper divisors (1).

98194157 is an equidigital number, since it uses as much as digits as its factorization.

98194157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 44.

The square root of 98194157 is about 9909.2964936972. The cubic root of 98194157 is about 461.3479006258.

The spelling of 98194157 in words is "ninety-eight million, one hundred ninety-four thousand, one hundred fifty-seven".