80084978 has 8 divisors (see below), whose sum is σ = 120507372. Its totient is φ = 39915856.

The previous prime is 80084969. The next prime is 80084993. The reversal of 80084978 is 87948008.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 60575089 + 19509889 = 7783^2 + 4417^2 .

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

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, 62525 + ... + 63792.

Almost surely, 2^80084978 is an apocalyptic number.

80084978 is a deficient number, since it is larger than the sum of its proper divisors (40422394).

80084978 is a wasteful number, since it uses less digits than its factorization.

80084978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126636.

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 80084978 is about 8949.0210637812. The cubic root of 80084978 is about 431.0394503109.

The spelling of 80084978 in words is "eighty million, eighty-four thousand, nine hundred seventy-eight".