80341978 has 16 divisors (see below), whose sum is σ = 123300864. Its totient is φ = 39251520.

The previous prime is 80341969. The next prime is 80341981. The reversal of 80341978 is 87914308.

It is a self number, because there is not a number n which added to its sum of digits gives 80341978.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14658 + ... + 19378.

It is an arithmetic number, because the mean of its divisors is an integer number (7706304).

Almost surely, 2^80341978 is an apocalyptic number.

80341978 is a deficient number, since it is larger than the sum of its proper divisors (42958886).

80341978 is a wasteful number, since it uses less digits than its factorization.

80341978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4917.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 80341978 is about 8963.3686747785. The cubic root of 80341978 is about 431.5000396096.

The spelling of 80341978 in words is "eighty million, three hundred forty-one thousand, nine hundred seventy-eight".