80077117 has 4 divisors (see below), whose sum is σ = 81588060. Its totient is φ = 78566176.

The previous prime is 80077103. The next prime is 80077121. The reversal of 80077117 is 71177008.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54331641 + 25745476 = 7371^2 + 5074^2 .

It is a cyclic number.

It is not a de Polignac number, because 80077117 - 2¹¹ = 80075069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80074117) 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, 755392 + ... + 755497.

It is an arithmetic number, because the mean of its divisors is an integer number (20397015).

Almost surely, 2^80077117 is an apocalyptic number.

It is an amenable number.

80077117 is a deficient number, since it is larger than the sum of its proper divisors (1510943).

80077117 is a wasteful number, since it uses less digits than its factorization.

80077117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510942.

The product of its (nonzero) digits is 2744, while the sum is 31.

The square root of 80077117 is about 8948.5818429514. The cubic root of 80077117 is about 431.0253464924.

The spelling of 80077117 in words is "eighty million, seventy-seven thousand, one hundred seventeen".