80640802 has 8 divisors (see below), whose sum is σ = 131957712. Its totient is φ = 36654900.

The previous prime is 80640799. The next prime is 80640811. The reversal of 80640802 is 20804608.

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, 1832724 + ... + 1832767.

It is an arithmetic number, because the mean of its divisors is an integer number (16494714).

Almost surely, 2^80640802 is an apocalyptic number.

80640802 is a deficient number, since it is larger than the sum of its proper divisors (51316910).

80640802 is a wasteful number, since it uses less digits than its factorization.

80640802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3665504.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 80640802 is about 8980.0223830456. The cubic root of 80640802 is about 432.0343515494.

The spelling of 80640802 in words is "eighty million, six hundred forty thousand, eight hundred two".