79655491 has 2 divisors, whose sum is σ = 79655492. Its totient is φ = 79655490.

The previous prime is 79655453. The next prime is 79655501. The reversal of 79655491 is 19455697.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79655491 - 2¹¹ = 79653443 is a prime.

It is not a weakly prime, because it can be changed into another prime (79656491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39827745 + 39827746.

It is an arithmetic number, because the mean of its divisors is an integer number (39827746).

Almost surely, 2^79655491 is an apocalyptic number.

79655491 is a deficient number, since it is larger than the sum of its proper divisors (1).

79655491 is an equidigital number, since it uses as much as digits as its factorization.

79655491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 46.

The square root of 79655491 is about 8924.9924929940. The cubic root of 79655491 is about 430.2675295707.

It can be divided in two parts, 7965 and 5491, that added together give a square (13456 = 116²).

The spelling of 79655491 in words is "seventy-nine million, six hundred fifty-five thousand, four hundred ninety-one".