88419791 has 2 divisors, whose sum is σ = 88419792. Its totient is φ = 88419790.

The previous prime is 88419769. The next prime is 88419823. The reversal of 88419791 is 19791488.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88419791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88419491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44209895 + 44209896.

It is an arithmetic number, because the mean of its divisors is an integer number (44209896).

Almost surely, 2^88419791 is an apocalyptic number.

88419791 is a deficient number, since it is larger than the sum of its proper divisors (1).

88419791 is an equidigital number, since it uses as much as digits as its factorization.

88419791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 47.

The square root of 88419791 is about 9403.1798345028. The cubic root of 88419791 is about 445.5021743287.

The spelling of 88419791 in words is "eighty-eight million, four hundred nineteen thousand, seven hundred ninety-one".