88421419 has 2 divisors, whose sum is σ = 88421420. Its totient is φ = 88421418.

The previous prime is 88421413. The next prime is 88421423. The reversal of 88421419 is 91412488.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88421419 - 2⁵ = 88421387 is a prime.

It is a super-2 number, since 2×88421419² = 15636694675947122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (88421413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44210709 + 44210710.

It is an arithmetic number, because the mean of its divisors is an integer number (44210710).

Almost surely, 2^88421419 is an apocalyptic number.

88421419 is a deficient number, since it is larger than the sum of its proper divisors (1).

88421419 is an equidigital number, since it uses as much as digits as its factorization.

88421419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 37.

The square root of 88421419 is about 9403.2664005653. The cubic root of 88421419 is about 445.5049085321.

The spelling of 88421419 in words is "eighty-eight million, four hundred twenty-one thousand, four hundred nineteen".