80117447 has 6 divisors (see below), whose sum is σ = 85107768. Its totient is φ = 75404384.

The previous prime is 80117419. The next prime is 80117467. The reversal of 80117447 is 74471108.

It is not a de Polignac number, because 80117447 - 2⁶ = 80117383 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 (80117407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138323 + ... + 138900.

It is an arithmetic number, because the mean of its divisors is an integer number (14184628).

Almost surely, 2^80117447 is an apocalyptic number.

80117447 is a deficient number, since it is larger than the sum of its proper divisors (4990321).

80117447 is a wasteful number, since it uses less digits than its factorization.

80117447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277257 (or 277240 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 80117447 is about 8950.8349889829. The cubic root of 80117447 is about 431.0976948127.

The spelling of 80117447 in words is "eighty million, one hundred seventeen thousand, four hundred forty-seven".