80278464 has 224 divisors, whose sum is σ = 263347200. Its totient is φ = 21525504.

The previous prime is 80278453. The next prime is 80278483. The reversal of 80278464 is 46487208.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1514662 + ... + 1514714.

Almost surely, 2^80278464 is an apocalyptic number.

80278464 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80278464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131673600).

80278464 is an abundant number, since it is smaller than the sum of its proper divisors (183068736).

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

80278464 is a wasteful number, since it uses less digits than its factorization.

80278464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 80278464 is about 8959.8249982910. The cubic root of 80278464 is about 431.3863028087.

The spelling of 80278464 in words is "eighty million, two hundred seventy-eight thousand, four hundred sixty-four".