78484119 has 16 divisors (see below), whose sum is σ = 124795392. Its totient is φ = 42897888.

The previous prime is 78484103. The next prime is 78484123. The reversal of 78484119 is 91148487.

It is not a de Polignac number, because 78484119 - 2⁴ = 78484103 is a prime.

It is a super-2 number, since 2×78484119² = 12319513870412322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78484129) 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, 80764 + ... + 81729.

It is an arithmetic number, because the mean of its divisors is an integer number (7799712).

Almost surely, 2^78484119 is an apocalyptic number.

78484119 is a deficient number, since it is larger than the sum of its proper divisors (46311273).

78484119 is a wasteful number, since it uses less digits than its factorization.

78484119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162526.

The product of its digits is 64512, while the sum is 42.

The square root of 78484119 is about 8859.1263113244. The cubic root of 78484119 is about 428.1480094121.

The spelling of 78484119 in words is "seventy-eight million, four hundred eighty-four thousand, one hundred nineteen".