80278212 has 24 divisors (see below), whose sum is σ = 214075456. Its totient is φ = 22936608.

The previous prime is 80278207. The next prime is 80278213. The reversal of 80278212 is 21287208.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 80278212.

It is not an unprimeable number, because it can be changed into a prime (80278213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477763 + ... + 477930.

Almost surely, 2^80278212 is an apocalyptic number.

It is an amenable number.

80278212 is an abundant number, since it is smaller than the sum of its proper divisors (133797244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80278212 is a wasteful number, since it uses less digits than its factorization.

80278212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955707 (or 955705 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 80278212 is about 8959.8109355053. The cubic root of 80278212 is about 431.3858514238.

The spelling of 80278212 in words is "eighty million, two hundred seventy-eight thousand, two hundred twelve".