99995564 has 12 divisors (see below), whose sum is σ = 185286024. Its totient is φ = 47056704.

The previous prime is 99995563. The next prime is 99995569. The reversal of 99995564 is 46559999.

It is a super-2 number, since 2×99995564² = 19998225639356192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99995563) 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, 735194 + ... + 735329.

It is an arithmetic number, because the mean of its divisors is an integer number (15440502).

Almost surely, 2^99995564 is an apocalyptic number.

It is an amenable number.

99995564 is a deficient number, since it is larger than the sum of its proper divisors (85290460).

99995564 is a wasteful number, since it uses less digits than its factorization.

99995564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470544 (or 1470542 counting only the distinct ones).

The product of its digits is 3936600, while the sum is 56.

The square root of 99995564 is about 9999.7781975402. The cubic root of 99995564 is about 464.1520198971.

The spelling of 99995564 in words is "ninety-nine million, nine hundred ninety-five thousand, five hundred sixty-four".