80217774 has 48 divisors (see below), whose sum is σ = 213918432. Its totient is φ = 21155904.

The previous prime is 80217773. The next prime is 80217803. The reversal of 80217774 is 47771208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80217773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22849 + ... + 26124.

It is an arithmetic number, because the mean of its divisors is an integer number (4456634).

Almost surely, 2^80217774 is an apocalyptic number.

80217774 is an abundant number, since it is smaller than the sum of its proper divisors (133700658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80217774 is a wasteful number, since it uses less digits than its factorization.

80217774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49001 (or 48998 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 80217774 is about 8956.4375730533. The cubic root of 80217774 is about 431.2775669838.

The spelling of 80217774 in words is "eighty million, two hundred seventeen thousand, seven hundred seventy-four".