79622087 has 2 divisors, whose sum is σ = 79622088. Its totient is φ = 79622086.

The previous prime is 79622083. The next prime is 79622107. The reversal of 79622087 is 78022697.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79622087 - 2² = 79622083 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79622083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39811043 + 39811044.

It is an arithmetic number, because the mean of its divisors is an integer number (39811044).

Almost surely, 2^79622087 is an apocalyptic number.

79622087 is a deficient number, since it is larger than the sum of its proper divisors (1).

79622087 is an equidigital number, since it uses as much as digits as its factorization.

79622087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 79622087 is about 8923.1209226369. The cubic root of 79622087 is about 430.2073760859.

The spelling of 79622087 in words is "seventy-nine million, six hundred twenty-two thousand, eighty-seven".