80619808 has 12 divisors (see below), whose sum is σ = 158720310. Its totient is φ = 40309888.

The previous prime is 80619787. The next prime is 80619823. The reversal of 80619808 is 80891608.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 73068304 + 7551504 = 8548^2 + 2748^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1259653 + ... + 1259716.

Almost surely, 2^80619808 is an apocalyptic number.

It is an amenable number.

80619808 is a deficient number, since it is larger than the sum of its proper divisors (78100502).

80619808 is a wasteful number, since it uses less digits than its factorization.

80619808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2519379 (or 2519371 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 80619808 is about 8978.8533789120. The cubic root of 80619808 is about 431.9968564015.

The spelling of 80619808 in words is "eighty million, six hundred nineteen thousand, eight hundred eight".