99998527 has 4 divisors (see below), whose sum is σ = 100019376. Its totient is φ = 99977680.

The previous prime is 99998513. The next prime is 99998543. The reversal of 99998527 is 72589999.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72589999 = 7109 ⋅10211.

It is a cyclic number.

It is not a de Polignac number, because 99998527 - 2¹⁵ = 99965759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99998557) 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, 798 + ... + 14164.

It is an arithmetic number, because the mean of its divisors is an integer number (25004844).

Almost surely, 2^99998527 is an apocalyptic number.

99998527 is a deficient number, since it is larger than the sum of its proper divisors (20849).

99998527 is a wasteful number, since it uses less digits than its factorization.

99998527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20848.

The product of its digits is 3674160, while the sum is 58.

The square root of 99998527 is about 9999.9263497288. The cubic root of 99998527 is about 464.1566043300.

The spelling of 99998527 in words is "ninety-nine million, nine hundred ninety-eight thousand, five hundred twenty-seven".