2088378905 has 8 divisors (see below), whose sum is σ = 2519901384. Its totient is φ = 1661472000.

The previous prime is 2088378833. The next prime is 2088378907. The reversal of 2088378905 is 5098738802.

It can be written as a sum of positive squares in 4 ways, for example, as 5004169 + 2083374736 = 2237^2 + 45644^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2088378905 - 2¹⁶ = 2088313369 is a prime.

It is a super-2 number, since 2×2088378905² = 8722652901697998050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2088378907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1152896 + ... + 1154705.

It is an arithmetic number, because the mean of its divisors is an integer number (314987673).

Almost surely, 2^2088378905 is an apocalyptic number.

It is an amenable number.

2088378905 is a deficient number, since it is larger than the sum of its proper divisors (431522479).

2088378905 is a wasteful number, since it uses less digits than its factorization.

2088378905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307787.

The product of its (nonzero) digits is 967680, while the sum is 50.

The square root of 2088378905 is about 45698.7845024351. The cubic root of 2088378905 is about 1278.2126145187.

The spelling of 2088378905 in words is "two billion, eighty-eight million, three hundred seventy-eight thousand, nine hundred five".