80895911 has 16 divisors (see below), whose sum is σ = 88270560. Its totient is φ = 73835520.

The previous prime is 80895869. The next prime is 80895917. The reversal of 80895911 is 11959808.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80895911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80895917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192860 + ... + 193278.

It is an arithmetic number, because the mean of its divisors is an integer number (5516910).

Almost surely, 2^80895911 is an apocalyptic number.

80895911 is a deficient number, since it is larger than the sum of its proper divisors (7374649).

80895911 is a wasteful number, since it uses less digits than its factorization.

80895911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754.

The product of its (nonzero) digits is 25920, while the sum is 41.

The square root of 80895911 is about 8994.2154188122. The cubic root of 80895911 is about 432.4894554548.

The spelling of 80895911 in words is "eighty million, eight hundred ninety-five thousand, nine hundred eleven".