79632351077 has 2 divisors, whose sum is σ = 79632351078. Its totient is φ = 79632351076.

The previous prime is 79632350909. The next prime is 79632351079. The reversal of 79632351077 is 77015323697.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47978959681 + 31653391396 = 219041^2 + 177914^2 .

It is a cyclic number.

It is not a de Polignac number, because 79632351077 - 2¹⁸ = 79632088933 is a prime.

It is a super-2 number, since 2×79632351077² (a number of 23 digits) contains 22 as substring.

Together with 79632351079, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79632351079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39816175538 + 39816175539.

It is an arithmetic number, because the mean of its divisors is an integer number (39816175539).

Almost surely, 2^79632351077 is an apocalyptic number.

It is an amenable number.

79632351077 is a deficient number, since it is larger than the sum of its proper divisors (1).

79632351077 is an equidigital number, since it uses as much as digits as its factorization.

79632351077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1666980, while the sum is 50.

The spelling of 79632351077 in words is "seventy-nine billion, six hundred thirty-two million, three hundred fifty-one thousand, seventy-seven".