80780612 has 12 divisors (see below), whose sum is σ = 154217616. Its totient is φ = 36718440.

The previous prime is 80780611. The next prime is 80780629. The reversal of 80780612 is 21608708.

It is not an unprimeable number, because it can be changed into a prime (80780611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 917918 + ... + 918005.

It is an arithmetic number, because the mean of its divisors is an integer number (12851468).

Almost surely, 2^80780612 is an apocalyptic number.

It is an amenable number.

80780612 is a deficient number, since it is larger than the sum of its proper divisors (73437004).

80780612 is a wasteful number, since it uses less digits than its factorization.

80780612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835938 (or 1835936 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 80780612 is about 8987.8035136512. The cubic root of 80780612 is about 432.2838854796.

The spelling of 80780612 in words is "eighty million, seven hundred eighty thousand, six hundred twelve".