79974803 has 2 divisors, whose sum is σ = 79974804. Its totient is φ = 79974802.

The previous prime is 79974799. The next prime is 79974859. The reversal of 79974803 is 30847997.

It is a weak prime.

It is an emirp because it is prime and its reverse (30847997) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79974803 - 2² = 79974799 is a prime.

It is a super-2 number, since 2×79974803² = 12791938229777618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (79974863) 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, 39987401 + 39987402.

It is an arithmetic number, because the mean of its divisors is an integer number (39987402).

Almost surely, 2^79974803 is an apocalyptic number.

79974803 is a deficient number, since it is larger than the sum of its proper divisors (1).

79974803 is an equidigital number, since it uses as much as digits as its factorization.

79974803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 79974803 is about 8942.8632439505. The cubic root of 79974803 is about 430.8416955137.

The spelling of 79974803 in words is "seventy-nine million, nine hundred seventy-four thousand, eight hundred three".