79206403 has 2 divisors, whose sum is σ = 79206404. Its totient is φ = 79206402.

The previous prime is 79206401. The next prime is 79206419. The reversal of 79206403 is 30460297.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79206403 - 2¹ = 79206401 is a prime.

Together with 79206401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (79206401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39603201 + 39603202.

It is an arithmetic number, because the mean of its divisors is an integer number (39603202).

Almost surely, 2^79206403 is an apocalyptic number.

79206403 is a deficient number, since it is larger than the sum of its proper divisors (1).

79206403 is an equidigital number, since it uses as much as digits as its factorization.

79206403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 79206403 is about 8899.7979190541. The cubic root of 79206403 is about 429.4574064788.

The spelling of 79206403 in words is "seventy-nine million, two hundred six thousand, four hundred three".