88391911 has 2 divisors, whose sum is σ = 88391912. Its totient is φ = 88391910.

The previous prime is 88391899. The next prime is 88391923. The reversal of 88391911 is 11919388.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (88391899) and next prime (88391923).

It is a cyclic number.

It is not a de Polignac number, because 88391911 - 2⁹ = 88391399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88391981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44195955 + 44195956.

It is an arithmetic number, because the mean of its divisors is an integer number (44195956).

Almost surely, 2^88391911 is an apocalyptic number.

88391911 is a deficient number, since it is larger than the sum of its proper divisors (1).

88391911 is an equidigital number, since it uses as much as digits as its factorization.

88391911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 40.

The square root of 88391911 is about 9401.6972403923. The cubic root of 88391911 is about 445.4553450455.

The spelling of 88391911 in words is "eighty-eight million, three hundred ninety-one thousand, nine hundred eleven".