88213859 has 2 divisors, whose sum is σ = 88213860. Its totient is φ = 88213858.

The previous prime is 88213847. The next prime is 88213897. The reversal of 88213859 is 95831288.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88213859 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (88213759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44106929 + 44106930.

It is an arithmetic number, because the mean of its divisors is an integer number (44106930).

Almost surely, 2^88213859 is an apocalyptic number.

88213859 is a deficient number, since it is larger than the sum of its proper divisors (1).

88213859 is an equidigital number, since it uses as much as digits as its factorization.

88213859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 44.

The square root of 88213859 is about 9392.2233257094. The cubic root of 88213859 is about 445.1560434113.

It can be divided in two parts, 882 and 13859, that added together give a palindrome (14741).

The spelling of 88213859 in words is "eighty-eight million, two hundred thirteen thousand, eight hundred fifty-nine".