78298944 has 28 divisors (see below), whose sum is σ = 207166464. Its totient is φ = 26099584.

The previous prime is 78298939. The next prime is 78298973. The reversal of 78298944 is 44989287.

78298944 is nontrivially palindromic in base 14.

It is a super-2 number, since 2×78298944² = 12261449263030272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203712 + ... + 204095.

Almost surely, 2^78298944 is an apocalyptic number.

It is an amenable number.

78298944 is an abundant number, since it is smaller than the sum of its proper divisors (128867520).

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

78298944 is a wasteful number, since it uses less digits than its factorization.

78298944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407822 (or 407812 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 51.

The square root of 78298944 is about 8848.6690524621. The cubic root of 78298944 is about 427.8110208881.

The spelling of 78298944 in words is "seventy-eight million, two hundred ninety-eight thousand, nine hundred forty-four".