80925379 has 2 divisors, whose sum is σ = 80925380. Its totient is φ = 80925378.

The previous prime is 80925371. The next prime is 80925443. The reversal of 80925379 is 97352908.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80925379 - 2³ = 80925371 is a prime.

It is not a weakly prime, because it can be changed into another prime (80925371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40462689 + 40462690.

It is an arithmetic number, because the mean of its divisors is an integer number (40462690).

Almost surely, 2^80925379 is an apocalyptic number.

80925379 is a deficient number, since it is larger than the sum of its proper divisors (1).

80925379 is an equidigital number, since it uses as much as digits as its factorization.

80925379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 80925379 is about 8995.8534336660. The cubic root of 80925379 is about 432.5419634738.

The spelling of 80925379 in words is "eighty million, nine hundred twenty-five thousand, three hundred seventy-nine".