10081378 has 4 divisors (see below), whose sum is σ = 15122070. Its totient is φ = 5040688.

The previous prime is 10081363. The next prime is 10081399. The reversal of 10081378 is 87318001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8450649 + 1630729 = 2907^2 + 1277^2 .

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 as a sum of consecutive naturals, namely, 2520343 + ... + 2520346.

Almost surely, 2^10081378 is an apocalyptic number.

10081378 is a deficient number, since it is larger than the sum of its proper divisors (5040692).

10081378 is an equidigital number, since it uses as much as digits as its factorization.

10081378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5040691.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 10081378 is about 3175.1185804628. The cubic root of 10081378 is about 216.0263028097.

Adding to 10081378 its reverse (87318001), we get a palindrome (97399379).

The spelling of 10081378 in words is "ten million, eighty-one thousand, three hundred seventy-eight".