88380445 has 16 divisors (see below), whose sum is σ = 109859328. Its totient is φ = 68212480.

The previous prime is 88380403. The next prime is 88380463. The reversal of 88380445 is 54408388.

88380445 = T₁₀₅ + T₁₀₆ + ... + T₈₀₉.

It is not a de Polignac number, because 88380445 - 2⁷ = 88380317 is a prime.

It is a super-2 number, since 2×88380445² = 15622206116796050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 88380398 and 88380407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14037 + ... + 19333.

It is an arithmetic number, because the mean of its divisors is an integer number (6866208).

Almost surely, 2^88380445 is an apocalyptic number.

It is an amenable number.

88380445 is a deficient number, since it is larger than the sum of its proper divisors (21478883).

88380445 is a wasteful number, since it uses less digits than its factorization.

88380445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5420.

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 88380445 is about 9401.0874371000. The cubic root of 88380445 is about 445.4360830572.

The spelling of 88380445 in words is "eighty-eight million, three hundred eighty thousand, four hundred forty-five".