98851397 has 2 divisors, whose sum is σ = 98851398. Its totient is φ = 98851396.

The previous prime is 98851393. The next prime is 98851429. The reversal of 98851397 is 79315889.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98287396 + 564001 = 9914^2 + 751^2 .

It is a cyclic number.

It is not a de Polignac number, because 98851397 - 2² = 98851393 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 (98851393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49425698 + 49425699.

It is an arithmetic number, because the mean of its divisors is an integer number (49425699).

Almost surely, 2^98851397 is an apocalyptic number.

It is an amenable number.

98851397 is a deficient number, since it is larger than the sum of its proper divisors (1).

98851397 is an equidigital number, since it uses as much as digits as its factorization.

98851397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 50.

The square root of 98851397 is about 9942.4039849525. The cubic root of 98851397 is about 462.3749213265.

The spelling of 98851397 in words is "ninety-eight million, eight hundred fifty-one thousand, three hundred ninety-seven".