79551707 has 2 divisors, whose sum is σ = 79551708. Its totient is φ = 79551706.

The previous prime is 79551649. The next prime is 79551709. The reversal of 79551707 is 70715597.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79551707 - 2¹⁶ = 79486171 is a prime.

It is a super-2 number, since 2×79551707² = 12656948173227698, which contains 22 as substring.

Together with 79551709, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (79551709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39775853 + 39775854.

It is an arithmetic number, because the mean of its divisors is an integer number (39775854).

Almost surely, 2^79551707 is an apocalyptic number.

79551707 is a deficient number, since it is larger than the sum of its proper divisors (1).

79551707 is an equidigital number, since it uses as much as digits as its factorization.

79551707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77175, while the sum is 41.

The square root of 79551707 is about 8919.1763633197. The cubic root of 79551707 is about 430.0805816171.

The spelling of 79551707 in words is "seventy-nine million, five hundred fifty-one thousand, seven hundred seven".