88947449 has 2 divisors, whose sum is σ = 88947450. Its totient is φ = 88947448.

The previous prime is 88947421. The next prime is 88947457. The reversal of 88947449 is 94474988.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66716224 + 22231225 = 8168^2 + 4715^2 .

It is a cyclic number.

It is not a de Polignac number, because 88947449 - 2²⁰ = 87898873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 88947449.

It is not a weakly prime, because it can be changed into another prime (88947479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44473724 + 44473725.

It is an arithmetic number, because the mean of its divisors is an integer number (44473725).

Almost surely, 2^88947449 is an apocalyptic number.

It is an amenable number.

88947449 is a deficient number, since it is larger than the sum of its proper divisors (1).

88947449 is an equidigital number, since it uses as much as digits as its factorization.

88947449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2322432, while the sum is 53.

The square root of 88947449 is about 9431.1955233682. The cubic root of 88947449 is about 446.3866170439.

The spelling of 88947449 in words is "eighty-eight million, nine hundred forty-seven thousand, four hundred forty-nine".