78483219 has 16 divisors (see below), whose sum is σ = 106080000. Its totient is φ = 51608736.

The previous prime is 78483191. The next prime is 78483239. The reversal of 78483219 is 91238487.

It is not a de Polignac number, because 78483219 - 2¹³ = 78475027 is a prime.

It is a super-2 number, since 2×78483219² = 12319231329203922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78483239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153937 + ... + 154445.

It is an arithmetic number, because the mean of its divisors is an integer number (6630000).

Almost surely, 2^78483219 is an apocalyptic number.

78483219 is a deficient number, since it is larger than the sum of its proper divisors (27596781).

78483219 is a wasteful number, since it uses less digits than its factorization.

78483219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114.

The product of its digits is 96768, while the sum is 42.

The square root of 78483219 is about 8859.0755161021. The cubic root of 78483219 is about 428.1463728403.

The spelling of 78483219 in words is "seventy-eight million, four hundred eighty-three thousand, two hundred nineteen".