98651387 has 2 divisors, whose sum is σ = 98651388. Its totient is φ = 98651386.

The previous prime is 98651383. The next prime is 98651389. The reversal of 98651387 is 78315689.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98651387 - 2² = 98651383 is a prime.

It is a super-4 number, since 4×98651387⁴ (a number of 33 digits) contains 4444 as substring.

Together with 98651389, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98651381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49325693 + 49325694.

It is an arithmetic number, because the mean of its divisors is an integer number (49325694).

Almost surely, 2^98651387 is an apocalyptic number.

98651387 is a deficient number, since it is larger than the sum of its proper divisors (1).

98651387 is an equidigital number, since it uses as much as digits as its factorization.

98651387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 47.

The square root of 98651387 is about 9932.3404593278. The cubic root of 98651387 is about 462.0628635185.

The spelling of 98651387 in words is "ninety-eight million, six hundred fifty-one thousand, three hundred eighty-seven".