80895761 has 8 divisors (see below), whose sum is σ = 87324480. Its totient is φ = 74709712.

The previous prime is 80895751. The next prime is 80895779. The reversal of 80895761 is 16759808.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80895761 - 2⁶ = 80895697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80895721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59975 + ... + 61308.

It is an arithmetic number, because the mean of its divisors is an integer number (10915560).

Almost surely, 2^80895761 is an apocalyptic number.

It is an amenable number.

80895761 is a deficient number, since it is larger than the sum of its proper divisors (6428719).

80895761 is a wasteful number, since it uses less digits than its factorization.

80895761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121335.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 80895761 is about 8994.2070801155. The cubic root of 80895761 is about 432.4891881423.

It can be divided in two parts, 808 and 95761, that added together give a palindrome (96569).

The spelling of 80895761 in words is "eighty million, eight hundred ninety-five thousand, seven hundred sixty-one".