98819145297 has 12 divisors (see below), whose sum is σ = 143243146384. Its totient is φ = 65646639000.

The previous prime is 98819145289. The next prime is 98819145353. The reversal of 98819145297 is 79254191889.

98819145297 is a `hidden beast` number, since 9 + 8 + 8 + 1 + 91 + 452 + 97 = 666.

It is not a de Polignac number, because 98819145297 - 2³ = 98819145289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98819145277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19396579 + ... + 19401672.

Almost surely, 2^98819145297 is an apocalyptic number.

It is an amenable number.

98819145297 is a deficient number, since it is larger than the sum of its proper divisors (44424001087).

98819145297 is a wasteful number, since it uses less digits than its factorization.

98819145297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38798540 (or 38798537 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 63.

The spelling of 98819145297 in words is "ninety-eight billion, eight hundred nineteen million, one hundred forty-five thousand, two hundred ninety-seven".