80379381 has 4 divisors (see below), whose sum is σ = 107172512. Its totient is φ = 53586252.

The previous prime is 80379361. The next prime is 80379389. The reversal of 80379381 is 18397308.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 80379381 - 2⁶ = 80379317 is a prime.

It is a super-2 number, since 2×80379381² = 12921689779886322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80379389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13396561 + ... + 13396566.

It is an arithmetic number, because the mean of its divisors is an integer number (26793128).

Almost surely, 2^80379381 is an apocalyptic number.

It is an amenable number.

80379381 is a deficient number, since it is larger than the sum of its proper divisors (26793131).

80379381 is a wasteful number, since it uses less digits than its factorization.

80379381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26793130.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 80379381 is about 8965.4548685496. The cubic root of 80379381 is about 431.5669904634.

The spelling of 80379381 in words is "eighty million, three hundred seventy-nine thousand, three hundred eighty-one".