80807265 has 48 divisors (see below), whose sum is σ = 174635136. Its totient is φ = 33580800.

The previous prime is 80807263. The next prime is 80807267. The reversal of 80807265 is 56270808.

It is an interprime number because it is at equal distance from previous prime (80807263) and next prime (80807267).

It is not a de Polignac number, because 80807265 - 2¹ = 80807263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80807261) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8196 + ... + 15125.

It is an arithmetic number, because the mean of its divisors is an integer number (3638232).

Almost surely, 2^80807265 is an apocalyptic number.

It is an amenable number.

80807265 is an abundant number, since it is smaller than the sum of its proper divisors (93827871).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80807265 is a wasteful number, since it uses less digits than its factorization.

80807265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23350 (or 23347 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 80807265 is about 8989.2861229355. The cubic root of 80807265 is about 432.3314232703.

The spelling of 80807265 in words is "eighty million, eight hundred seven thousand, two hundred sixty-five".