115898477 has 2 divisors, whose sum is σ = 115898478. Its totient is φ = 115898476.

The previous prime is 115898437. The next prime is 115898527. The reversal of 115898477 is 774898511.

It is an a-pointer prime, because the next prime (115898527) can be obtained adding 115898477 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83704201 + 32194276 = 9149^2 + 5674^2 .

It is a cyclic number.

It is not a de Polignac number, because 115898477 - 2⁸ = 115898221 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115898417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57949238 + 57949239.

It is an arithmetic number, because the mean of its divisors is an integer number (57949239).

Almost surely, 2^115898477 is an apocalyptic number.

It is an amenable number.

115898477 is a deficient number, since it is larger than the sum of its proper divisors (1).

115898477 is an equidigital number, since it uses as much as digits as its factorization.

115898477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 50.

The square root of 115898477 is about 10765.6154956417. The cubic root of 115898477 is about 487.5575765439.

The spelling of 115898477 in words is "one hundred fifteen million, eight hundred ninety-eight thousand, four hundred seventy-seven".