98657217547 has 6 divisors (see below), whose sum is σ = 114764518428. Its totient is φ = 84563329284.

The previous prime is 98657217523. The next prime is 98657217553. The reversal of 98657217547 is 74571275689.

It is not a de Polignac number, because 98657217547 - 2¹¹ = 98657215499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98657217517) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1006706253 + ... + 1006706350.

It is an arithmetic number, because the mean of its divisors is an integer number (19127419738).

Almost surely, 2^98657217547 is an apocalyptic number.

98657217547 is a deficient number, since it is larger than the sum of its proper divisors (16107300881).

98657217547 is a wasteful number, since it uses less digits than its factorization.

98657217547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013412617 (or 2013412610 counting only the distinct ones).

The product of its digits is 29635200, while the sum is 61.

The spelling of 98657217547 in words is "ninety-eight billion, six hundred fifty-seven million, two hundred seventeen thousand, five hundred forty-seven".