80075761 has 4 divisors (see below), whose sum is σ = 81938032. Its totient is φ = 78213492.

The previous prime is 80075741. The next prime is 80075771. The reversal of 80075761 is 16757008.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80075761 - 2¹⁵ = 80042993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80075701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 931071 + ... + 931156.

It is an arithmetic number, because the mean of its divisors is an integer number (20484508).

Almost surely, 2^80075761 is an apocalyptic number.

It is an amenable number.

80075761 is a deficient number, since it is larger than the sum of its proper divisors (1862271).

80075761 is a wasteful number, since it uses less digits than its factorization.

80075761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862270.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 80075761 is about 8948.5060764353. The cubic root of 80075761 is about 431.0229135307.

The spelling of 80075761 in words is "eighty million, seventy-five thousand, seven hundred sixty-one".