98687715 has 24 divisors (see below), whose sum is σ = 183681360. Its totient is φ = 45114048.

The previous prime is 98687713. The next prime is 98687723. The reversal of 98687715 is 51778689.

It is not a de Polignac number, because 98687715 - 2¹ = 98687713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98687713) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66400 + ... + 67869.

It is an arithmetic number, because the mean of its divisors is an integer number (7653390).

Almost surely, 2^98687715 is an apocalyptic number.

98687715 is a deficient number, since it is larger than the sum of its proper divisors (84993645).

98687715 is a wasteful number, since it uses less digits than its factorization.

98687715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134291 (or 134284 counting only the distinct ones).

The product of its digits is 846720, while the sum is 51.

The square root of 98687715 is about 9934.1690643959. The cubic root of 98687715 is about 462.1195741916.

The spelling of 98687715 in words is "ninety-eight million, six hundred eighty-seven thousand, seven hundred fifteen".