79616419 has 4 divisors (see below), whose sum is σ = 79993960. Its totient is φ = 79238880.

The previous prime is 79616417. The next prime is 79616431. The reversal of 79616419 is 91461697.

It is a happy number.

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 79616419 - 2¹ = 79616417 is a prime.

It is a super-2 number, since 2×79616419² = 12677548348767122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79616413) 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, 188454 + ... + 188875.

It is an arithmetic number, because the mean of its divisors is an integer number (19998490).

Almost surely, 2^79616419 is an apocalyptic number.

79616419 is a deficient number, since it is larger than the sum of its proper divisors (377541).

79616419 is a wasteful number, since it uses less digits than its factorization.

79616419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377540.

The product of its digits is 81648, while the sum is 43.

The square root of 79616419 is about 8922.8033151023. The cubic root of 79616419 is about 430.1971675564.

The spelling of 79616419 in words is "seventy-nine million, six hundred sixteen thousand, four hundred nineteen".