98517487 has 4 divisors (see below), whose sum is σ = 102800880. Its totient is φ = 94234096.

The previous prime is 98517481. The next prime is 98517493. The reversal of 98517487 is 78471589.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (98517481) and next prime (98517493).

It is a cyclic number.

It is not a de Polignac number, because 98517487 - 2³ = 98517479 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98517487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98517481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2141662 + ... + 2141707.

It is an arithmetic number, because the mean of its divisors is an integer number (25700220).

Almost surely, 2^98517487 is an apocalyptic number.

98517487 is a deficient number, since it is larger than the sum of its proper divisors (4283393).

98517487 is a wasteful number, since it uses less digits than its factorization.

98517487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4283392.

The product of its digits is 564480, while the sum is 49.

The square root of 98517487 is about 9925.5975638749. The cubic root of 98517487 is about 461.8537154849.

The spelling of 98517487 in words is "ninety-eight million, five hundred seventeen thousand, four hundred eighty-seven".