88387469 has 2 divisors, whose sum is σ = 88387470. Its totient is φ = 88387468.

The previous prime is 88387441. The next prime is 88387477. The reversal of 88387469 is 96478388.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54316900 + 34070569 = 7370^2 + 5837^2 .

It is a cyclic number.

It is not a de Polignac number, because 88387469 - 2²⁰ = 87338893 is a prime.

It is a super-2 number, since 2×88387469² = 15624689352451922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 88387469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88387499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44193734 + 44193735.

It is an arithmetic number, because the mean of its divisors is an integer number (44193735).

Almost surely, 2^88387469 is an apocalyptic number.

It is an amenable number.

88387469 is a deficient number, since it is larger than the sum of its proper divisors (1).

88387469 is an equidigital number, since it uses as much as digits as its factorization.

88387469 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 88387469 is about 9401.4610034824. The cubic root of 88387469 is about 445.4478830286.

The spelling of 88387469 in words is "eighty-eight million, three hundred eighty-seven thousand, four hundred sixty-nine".