88380138443 has 2 divisors, whose sum is σ = 88380138444. Its totient is φ = 88380138442.

The previous prime is 88380138433. The next prime is 88380138463. The reversal of 88380138443 is 34483108388.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88380138443 - 2²⁶ = 88313029579 is a prime.

It is a super-2 number, since 2×88380138443² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 88380138391 and 88380138400.

It is not a weakly prime, because it can be changed into another prime (88380138433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44190069221 + 44190069222.

It is an arithmetic number, because the mean of its divisors is an integer number (44190069222).

Almost surely, 2^88380138443 is an apocalyptic number.

88380138443 is a deficient number, since it is larger than the sum of its proper divisors (1).

88380138443 is an equidigital number, since it uses as much as digits as its factorization.

88380138443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1769472, while the sum is 50.

The spelling of 88380138443 in words is "eighty-eight billion, three hundred eighty million, one hundred thirty-eight thousand, four hundred forty-three".