80554477 has 4 divisors (see below), whose sum is σ = 80798176. Its totient is φ = 80310780.

The previous prime is 80554451. The next prime is 80554499. The reversal of 80554477 is 77445508.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80554477 - 2¹⁵ = 80521709 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 (80554427) 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, 121353 + ... + 122014.

It is an arithmetic number, because the mean of its divisors is an integer number (20199544).

Almost surely, 2^80554477 is an apocalyptic number.

It is an amenable number.

80554477 is a deficient number, since it is larger than the sum of its proper divisors (243699).

80554477 is a wasteful number, since it uses less digits than its factorization.

80554477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243698.

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 80554477 is about 8975.2145935348. The cubic root of 80554477 is about 431.8801339967.

The spelling of 80554477 in words is "eighty million, five hundred fifty-four thousand, four hundred seventy-seven".