79378433 has 2 divisors, whose sum is σ = 79378434. Its totient is φ = 79378432.

The previous prime is 79378417. The next prime is 79378459. The reversal of 79378433 is 33487397.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44249104 + 35129329 = 6652^2 + 5927^2 .

It is a cyclic number.

It is not a de Polignac number, because 79378433 - 2⁴ = 79378417 is a prime.

It is not a weakly prime, because it can be changed into another prime (79378463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39689216 + 39689217.

It is an arithmetic number, because the mean of its divisors is an integer number (39689217).

Almost surely, 2^79378433 is an apocalyptic number.

It is an amenable number.

79378433 is a deficient number, since it is larger than the sum of its proper divisors (1).

79378433 is an equidigital number, since it uses as much as digits as its factorization.

79378433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 44.

The square root of 79378433 is about 8909.4575031255. The cubic root of 79378433 is about 429.7680974181.

The spelling of 79378433 in words is "seventy-nine million, three hundred seventy-eight thousand, four hundred thirty-three".