80047365 has 32 divisors (see below), whose sum is σ = 131328000. Its totient is φ = 41620800.

The previous prime is 80047351. The next prime is 80047367. The reversal of 80047365 is 56374008.

It is not a de Polignac number, because 80047365 - 2⁴ = 80047349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80047367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133336 + ... + 133934.

It is an arithmetic number, because the mean of its divisors is an integer number (4104000).

Almost surely, 2^80047365 is an apocalyptic number.

It is an amenable number.

80047365 is a deficient number, since it is larger than the sum of its proper divisors (51280635).

80047365 is a wasteful number, since it uses less digits than its factorization.

80047365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 80047365 is about 8946.9193021956. The cubic root of 80047365 is about 430.9719585620.

The spelling of 80047365 in words is "eighty million, forty-seven thousand, three hundred sixty-five".