78983244 has 18 divisors (see below), whose sum is σ = 199652180. Its totient is φ = 26327736.

The previous prime is 78983239. The next prime is 78983249. The reversal of 78983244 is 44238987.

It is an interprime number because it is at equal distance from previous prime (78983239) and next prime (78983249).

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 78983244.

It is not an unprimeable number, because it can be changed into a prime (78983249) 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 5 ways as a sum of consecutive naturals, for example, 1096954 + ... + 1097025.

Almost surely, 2^78983244 is an apocalyptic number.

It is an amenable number.

78983244 is an abundant number, since it is smaller than the sum of its proper divisors (120668936).

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

78983244 is a wasteful number, since it uses less digits than its factorization.

78983244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193989 (or 2193984 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 78983244 is about 8887.2517686853. The cubic root of 78983244 is about 429.0537041347.

The spelling of 78983244 in words is "seventy-eight million, nine hundred eighty-three thousand, two hundred forty-four".