80604865 has 16 divisors (see below), whose sum is σ = 106085376. Its totient is φ = 58307200.

The previous prime is 80604841. The next prime is 80604877. The reversal of 80604865 is 56840608.

It is not a de Polignac number, because 80604865 - 2¹³ = 80596673 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6669 + ... + 14341.

It is an arithmetic number, because the mean of its divisors is an integer number (6630336).

Almost surely, 2^80604865 is an apocalyptic number.

It is an amenable number.

80604865 is a deficient number, since it is larger than the sum of its proper divisors (25480511).

80604865 is a wasteful number, since it uses less digits than its factorization.

80604865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7880.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 80604865 is about 8978.0212185091. The cubic root of 80604865 is about 431.9701643347.

The spelling of 80604865 in words is "eighty million, six hundred four thousand, eight hundred sixty-five".