78064113 has 4 divisors (see below), whose sum is σ = 104085488. Its totient is φ = 52042740.

The previous prime is 78064099. The next prime is 78064121. The reversal of 78064113 is 31146087.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 78064113 - 2⁵ = 78064081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78064163) 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, 13010683 + ... + 13010688.

It is an arithmetic number, because the mean of its divisors is an integer number (26021372).

Almost surely, 2^78064113 is an apocalyptic number.

It is an amenable number.

78064113 is a deficient number, since it is larger than the sum of its proper divisors (26021375).

78064113 is a wasteful number, since it uses less digits than its factorization.

78064113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26021374.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 78064113 is about 8835.3898046436. The cubic root of 78064113 is about 427.3829014801.

The spelling of 78064113 in words is "seventy-eight million, sixty-four thousand, one hundred thirteen".