78481119 has 8 divisors (see below), whose sum is σ = 108017152. Its totient is φ = 50632920.

The previous prime is 78481087. The next prime is 78481177. The reversal of 78481119 is 91118487.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78481119 - 2⁵ = 78481087 is a prime.

It is a super-2 number, since 2×78481119² = 12318572078984322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78481189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421849 + ... + 422034.

It is an arithmetic number, because the mean of its divisors is an integer number (13502144).

Almost surely, 2^78481119 is an apocalyptic number.

78481119 is a deficient number, since it is larger than the sum of its proper divisors (29536033).

78481119 is a wasteful number, since it uses less digits than its factorization.

78481119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843917.

The product of its digits is 16128, while the sum is 39.

The square root of 78481119 is about 8858.9569927842. The cubic root of 78481119 is about 428.1425541242.

The spelling of 78481119 in words is "seventy-eight million, four hundred eighty-one thousand, one hundred nineteen".