88381849 has 2 divisors, whose sum is σ = 88381850. Its totient is φ = 88381848.

The previous prime is 88381817. The next prime is 88381859. The reversal of 88381849 is 94818388.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60217600 + 28164249 = 7760^2 + 5307^2 .

It is a cyclic number.

It is not a de Polignac number, because 88381849 - 2⁵ = 88381817 is a prime.

It is a super-2 number, since 2×88381849² = 15622702465317602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (88381859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44190924 + 44190925.

It is an arithmetic number, because the mean of its divisors is an integer number (44190925).

Almost surely, 2^88381849 is an apocalyptic number.

It is an amenable number.

88381849 is a deficient number, since it is larger than the sum of its proper divisors (1).

88381849 is an equidigital number, since it uses as much as digits as its factorization.

88381849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 442368, while the sum is 49.

The square root of 88381849 is about 9401.1621090161. The cubic root of 88381849 is about 445.4384417575.

The spelling of 88381849 in words is "eighty-eight million, three hundred eighty-one thousand, eight hundred forty-nine".