80619412 has 24 divisors (see below), whose sum is σ = 143119872. Its totient is φ = 39732000.

The previous prime is 80619403. The next prime is 80619419. The reversal of 80619412 is 21491608.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80619419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173893 + ... + 174355.

It is an arithmetic number, because the mean of its divisors is an integer number (5963328).

Almost surely, 2^80619412 is an apocalyptic number.

It is an amenable number.

80619412 is a deficient number, since it is larger than the sum of its proper divisors (62500460).

80619412 is a wasteful number, since it uses less digits than its factorization.

80619412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999 (or 997 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 80619412 is about 8978.8313270715. The cubic root of 80619412 is about 431.9961490855.

The spelling of 80619412 in words is "eighty million, six hundred nineteen thousand, four hundred twelve".