78048419 has 2 divisors, whose sum is σ = 78048420. Its totient is φ = 78048418.

The previous prime is 78048413. The next prime is 78048437. The reversal of 78048419 is 91484087.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78048419 - 2⁸ = 78048163 is a prime.

It is a super-2 number, since 2×78048419² = 12183111416799122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (78048413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39024209 + 39024210.

It is an arithmetic number, because the mean of its divisors is an integer number (39024210).

Almost surely, 2^78048419 is an apocalyptic number.

78048419 is a deficient number, since it is larger than the sum of its proper divisors (1).

78048419 is an equidigital number, since it uses as much as digits as its factorization.

78048419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 78048419 is about 8834.5016271434. The cubic root of 78048419 is about 427.3542592247.

The spelling of 78048419 in words is "seventy-eight million, forty-eight thousand, four hundred nineteen".