98877397 has 2 divisors, whose sum is σ = 98877398. Its totient is φ = 98877396.

The previous prime is 98877379. The next prime is 98877469. The reversal of 98877397 is 79377889.

It is a happy number.

Together with previous prime (98877379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95922436 + 2954961 = 9794^2 + 1719^2 .

It is an emirp because it is prime and its reverse (79377889) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98877397 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 (98877307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49438698 + 49438699.

It is an arithmetic number, because the mean of its divisors is an integer number (49438699).

Almost surely, 2^98877397 is an apocalyptic number.

It is an amenable number.

98877397 is a deficient number, since it is larger than the sum of its proper divisors (1).

98877397 is an equidigital number, since it uses as much as digits as its factorization.

98877397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5334336, while the sum is 58.

The square root of 98877397 is about 9943.7114298435. The cubic root of 98877397 is about 462.4154558881.

The spelling of 98877397 in words is "ninety-eight million, eight hundred seventy-seven thousand, three hundred ninety-seven".