88404413 has 2 divisors, whose sum is σ = 88404414. Its totient is φ = 88404412.

The previous prime is 88404401. The next prime is 88404419. The reversal of 88404413 is 31440488.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86452804 + 1951609 = 9298^2 + 1397^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88404413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 88404413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88404419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44202206 + 44202207.

It is an arithmetic number, because the mean of its divisors is an integer number (44202207).

Almost surely, 2^88404413 is an apocalyptic number.

It is an amenable number.

88404413 is a deficient number, since it is larger than the sum of its proper divisors (1).

88404413 is an equidigital number, since it uses as much as digits as its factorization.

88404413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 88404413 is about 9402.3620968350. The cubic root of 88404413 is about 445.4763455349.

The spelling of 88404413 in words is "eighty-eight million, four hundred four thousand, four hundred thirteen".