79270823 has 2 divisors, whose sum is σ = 79270824. Its totient is φ = 79270822.

The previous prime is 79270819. The next prime is 79270837. The reversal of 79270823 is 32807297.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79270823 - 2² = 79270819 is a prime.

It is equal to p_4629359 and since 79270823 and 4629359 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79270853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39635411 + 39635412.

It is an arithmetic number, because the mean of its divisors is an integer number (39635412).

Almost surely, 2^79270823 is an apocalyptic number.

79270823 is a deficient number, since it is larger than the sum of its proper divisors (1).

79270823 is an equidigital number, since it uses as much as digits as its factorization.

79270823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 79270823 is about 8903.4163667662. The cubic root of 79270823 is about 429.5738034204.

The spelling of 79270823 in words is "seventy-nine million, two hundred seventy thousand, eight hundred twenty-three".