98291655225 has 45 divisors (see below), whose sum is σ = 182096259807. Its totient is φ = 52414691760.

The previous prime is 98291655199. The next prime is 98291655257. The reversal of 98291655225 is 52255619289.

The square root of 98291655225 is 313515.

It is a perfect power (a square), and thus also a powerful number.

98291655225 is a `hidden beast` number, since 9 + 82 + 9 + 1 + 6 + 552 + 2 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 35384995881 + 62906659344 = 188109^2 + 250812^2 .

It is a tau number, because it is divible by the number of its divisors (45).

It is not a de Polignac number, because 98291655225 - 2²⁵ = 98258100793 is a prime.

It is a super-2 number, since 2×98291655225² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 14104692 + ... + 14111658.

Almost surely, 2^98291655225 is an apocalyptic number.

98291655225 is the 313515-th square number.

98291655225 is the 156758-th centered octagonal number.

It is an amenable number.

98291655225 is a deficient number, since it is larger than the sum of its proper divisors (83804604582).

98291655225 is an frugal number, since it uses more digits than its factorization.

98291655225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13956 (or 6975 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 54.

The spelling of 98291655225 in words is "ninety-eight billion, two hundred ninety-one million, six hundred fifty-five thousand, two hundred twenty-five".