78296419 has 4 divisors (see below), whose sum is σ = 78323440. Its totient is φ = 78269400.

The previous prime is 78296417. The next prime is 78296443. The reversal of 78296419 is 91469287.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78296419 - 2¹ = 78296417 is a prime.

It is a super-2 number, since 2×78296419² = 12260658456447122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78296411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8559 + ... + 15160.

It is an arithmetic number, because the mean of its divisors is an integer number (19580860).

Almost surely, 2^78296419 is an apocalyptic number.

78296419 is a deficient number, since it is larger than the sum of its proper divisors (27021).

78296419 is a wasteful number, since it uses less digits than its factorization.

78296419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27020.

The product of its digits is 217728, while the sum is 46.

The square root of 78296419 is about 8848.5263744874. The cubic root of 78296419 is about 427.8064221269.

The spelling of 78296419 in words is "seventy-eight million, two hundred ninety-six thousand, four hundred nineteen".