88644863 has 2 divisors, whose sum is σ = 88644864. Its totient is φ = 88644862.

The previous prime is 88644847. The next prime is 88644877. The reversal of 88644863 is 36844688.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88644863 - 2⁴ = 88644847 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88644883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44322431 + 44322432.

It is an arithmetic number, because the mean of its divisors is an integer number (44322432).

Almost surely, 2^88644863 is an apocalyptic number.

88644863 is a deficient number, since it is larger than the sum of its proper divisors (1).

88644863 is an equidigital number, since it uses as much as digits as its factorization.

88644863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 884736, while the sum is 47.

The square root of 88644863 is about 9415.1400945498. The cubic root of 88644863 is about 445.8798616670.

The spelling of 88644863 in words is "eighty-eight million, six hundred forty-four thousand, eight hundred sixty-three".