80120247 has 8 divisors (see below), whose sum is σ = 111471744. Its totient is φ = 51091128.

The previous prime is 80120239. The next prime is 80120263. The reversal of 80120247 is 74202108.

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

It is not a de Polignac number, because 80120247 - 2³ = 80120239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80120297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580513 + ... + 580650.

It is an arithmetic number, because the mean of its divisors is an integer number (13933968).

Almost surely, 2^80120247 is an apocalyptic number.

80120247 is a deficient number, since it is larger than the sum of its proper divisors (31351497).

80120247 is a wasteful number, since it uses less digits than its factorization.

80120247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161189.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 80120247 is about 8950.9913976051. The cubic root of 80120247 is about 431.1027168544.

The spelling of 80120247 in words is "eighty million, one hundred twenty thousand, two hundred forty-seven".