80047761 has 16 divisors (see below), whose sum is σ = 109881408. Its totient is φ = 51796800.

The previous prime is 80047753. The next prime is 80047763. The reversal of 80047761 is 16774008.

It is not a de Polignac number, because 80047761 - 2³ = 80047753 is a prime.

It is a super-2 number, since 2×80047761² = 12815288082226242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80047763) 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 15 ways as a sum of consecutive naturals, for example, 72826 + ... + 73916.

It is an arithmetic number, because the mean of its divisors is an integer number (6867588).

Almost surely, 2^80047761 is an apocalyptic number.

It is an amenable number.

80047761 is a deficient number, since it is larger than the sum of its proper divisors (29833647).

80047761 is a wasteful number, since it uses less digits than its factorization.

80047761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 80047761 is about 8946.9414326908. The cubic root of 80047761 is about 430.9726692438.

It can be divided in two parts, 80047 and 761, that added together give a palindrome (80808).

The spelling of 80047761 in words is "eighty million, forty-seven thousand, seven hundred sixty-one".