80554247 has 4 divisors (see below), whose sum is σ = 80782800. Its totient is φ = 80325696.

The previous prime is 80554241. The next prime is 80554249. The reversal of 80554247 is 74245508.

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

It is a cyclic number.

It is not a de Polignac number, because 80554247 - 2¹⁶ = 80488711 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 (80554241) 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, 113747 + ... + 114452.

It is an arithmetic number, because the mean of its divisors is an integer number (20195700).

Almost surely, 2^80554247 is an apocalyptic number.

80554247 is a deficient number, since it is larger than the sum of its proper divisors (228553).

80554247 is a wasteful number, since it uses less digits than its factorization.

80554247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228552.

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 80554247 is about 8975.2017804615. The cubic root of 80554247 is about 431.8797229600.

The spelling of 80554247 in words is "eighty million, five hundred fifty-four thousand, two hundred forty-seven".