80602978 has 8 divisors (see below), whose sum is σ = 127267920. Its totient is φ = 38180340.

The previous prime is 80602937. The next prime is 80603009. The reversal of 80602978 is 87920608.

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

It is a self number, because there is not a number n which added to its sum of digits gives 80602978.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060528 + ... + 1060603.

It is an arithmetic number, because the mean of its divisors is an integer number (15908490).

Almost surely, 2^80602978 is an apocalyptic number.

80602978 is a deficient number, since it is larger than the sum of its proper divisors (46664942).

80602978 is a wasteful number, since it uses less digits than its factorization.

80602978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121152.

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

The square root of 80602978 is about 8977.9161279219. The cubic root of 80602978 is about 431.9667934295.

The spelling of 80602978 in words is "eighty million, six hundred two thousand, nine hundred seventy-eight".