80464277 has 4 divisors (see below), whose sum is σ = 81368460. Its totient is φ = 79560096.

The previous prime is 80464273. The next prime is 80464291. The reversal of 80464277 is 77246408.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14432401 + 66031876 = 3799^2 + 8126^2 .

It is a cyclic number.

It is not a de Polignac number, because 80464277 - 2² = 80464273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80464277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80464273) 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, 451958 + ... + 452135.

It is an arithmetic number, because the mean of its divisors is an integer number (20342115).

Almost surely, 2^80464277 is an apocalyptic number.

It is an amenable number.

80464277 is a deficient number, since it is larger than the sum of its proper divisors (904183).

80464277 is an equidigital number, since it uses as much as digits as its factorization.

80464277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904182.

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 80464277 is about 8970.1882365979. The cubic root of 80464277 is about 431.7188760976.

The spelling of 80464277 in words is "eighty million, four hundred sixty-four thousand, two hundred seventy-seven".