80608646 has 4 divisors (see below), whose sum is σ = 120912972. Its totient is φ = 40304322.

The previous prime is 80608639. The next prime is 80608669. The reversal of 80608646 is 64680608.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20152160 + ... + 20152163.

It is an arithmetic number, because the mean of its divisors is an integer number (30228243).

Almost surely, 2^80608646 is an apocalyptic number.

80608646 is a deficient number, since it is larger than the sum of its proper divisors (40304326).

80608646 is a wasteful number, since it uses less digits than its factorization.

80608646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40304325.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 80608646 is about 8978.2317858251. The cubic root of 80608646 is about 431.9769184913.

The spelling of 80608646 in words is "eighty million, six hundred eight thousand, six hundred forty-six".