88216987 has 2 divisors, whose sum is σ = 88216988. Its totient is φ = 88216986.

The previous prime is 88216969. The next prime is 88216993. The reversal of 88216987 is 78961288.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88216987 - 2¹¹ = 88214939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 88216987.

It is not a weakly prime, because it can be changed into another prime (88216087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44108493 + 44108494.

It is an arithmetic number, because the mean of its divisors is an integer number (44108494).

Almost surely, 2^88216987 is an apocalyptic number.

88216987 is a deficient number, since it is larger than the sum of its proper divisors (1).

88216987 is an equidigital number, since it uses as much as digits as its factorization.

88216987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 49.

The square root of 88216987 is about 9392.3898449756. The cubic root of 88216987 is about 445.1613049868.

The spelling of 88216987 in words is "eighty-eight million, two hundred sixteen thousand, nine hundred eighty-seven".