79406783 has 2 divisors, whose sum is σ = 79406784. Its totient is φ = 79406782.

The previous prime is 79406753. The next prime is 79406807. The reversal of 79406783 is 38760497.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79406783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79406753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39703391 + 39703392.

It is an arithmetic number, because the mean of its divisors is an integer number (39703392).

Almost surely, 2^79406783 is an apocalyptic number.

79406783 is a deficient number, since it is larger than the sum of its proper divisors (1).

79406783 is an equidigital number, since it uses as much as digits as its factorization.

79406783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 79406783 is about 8911.0483670554. The cubic root of 79406783 is about 429.8192552070.

The spelling of 79406783 in words is "seventy-nine million, four hundred six thousand, seven hundred eighty-three".