99527945 has 24 divisors (see below), whose sum is σ = 139014792. Its totient is φ = 68119040.

The previous prime is 99527941. The next prime is 99528007. The reversal of 99527945 is 54972599.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 28344976 + 71182969 = 5324^2 + 8437^2 .

It is not a de Polignac number, because 99527945 - 2² = 99527941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99527893 and 99527902.

It is not an unprimeable number, because it can be changed into a prime (99527941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5447 + ... + 15123.

It is an arithmetic number, because the mean of its divisors is an integer number (5792283).

Almost surely, 2^99527945 is an apocalyptic number.

It is an amenable number.

99527945 is a deficient number, since it is larger than the sum of its proper divisors (39486847).

99527945 is a wasteful number, since it uses less digits than its factorization.

99527945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9721 (or 9710 counting only the distinct ones).

The product of its digits is 1020600, while the sum is 50.

The square root of 99527945 is about 9976.3693295708. The cubic root of 99527945 is about 463.4273693625.

The spelling of 99527945 in words is "ninety-nine million, five hundred twenty-seven thousand, nine hundred forty-five".