88880819 has 2 divisors, whose sum is σ = 88880820. Its totient is φ = 88880818.

The previous prime is 88880797. The next prime is 88880833. The reversal of 88880819 is 91808888.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88880819 is a prime.

It is a super-2 number, since 2×88880819² = 15799599972221522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (88880899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44440409 + 44440410.

It is an arithmetic number, because the mean of its divisors is an integer number (44440410).

Almost surely, 2^88880819 is an apocalyptic number.

88880819 is a deficient number, since it is larger than the sum of its proper divisors (1).

88880819 is an equidigital number, since it uses as much as digits as its factorization.

88880819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294912, while the sum is 50.

The square root of 88880819 is about 9427.6624356200. The cubic root of 88880819 is about 446.2751273556.

The spelling of 88880819 in words is "eighty-eight million, eight hundred eighty thousand, eight hundred nineteen".