80897047 has 8 divisors (see below), whose sum is σ = 100858752. Its totient is φ = 63036600.

The previous prime is 80896967. The next prime is 80897051. The reversal of 80897047 is 74079808.

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

It is not a de Polignac number, because 80897047 - 2¹¹ = 80894999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80896994 and 80897012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80897077) 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, 525229 + ... + 525382.

It is an arithmetic number, because the mean of its divisors is an integer number (12607344).

Almost surely, 2^80897047 is an apocalyptic number.

80897047 is a deficient number, since it is larger than the sum of its proper divisors (19961705).

80897047 is a wasteful number, since it uses less digits than its factorization.

80897047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050629.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 80897047 is about 8994.2785702912. The cubic root of 80897047 is about 432.4914798905.

The spelling of 80897047 in words is "eighty million, eight hundred ninety-seven thousand, forty-seven".