80678247 has 8 divisors (see below), whose sum is σ = 115845744. Its totient is φ = 49648128.

The previous prime is 80678231. The next prime is 80678249. The reversal of 80678247 is 74287608.

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

It is not a de Polignac number, because 80678247 - 2⁴ = 80678231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80678199 and 80678208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80678249) 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, 1034298 + ... + 1034375.

It is an arithmetic number, because the mean of its divisors is an integer number (14480718).

Almost surely, 2^80678247 is an apocalyptic number.

80678247 is a deficient number, since it is larger than the sum of its proper divisors (35167497).

80678247 is a wasteful number, since it uses less digits than its factorization.

80678247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068689.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 80678247 is about 8982.1070467903. The cubic root of 80678247 is about 432.1012119251.

The spelling of 80678247 in words is "eighty million, six hundred seventy-eight thousand, two hundred forty-seven".