7879601117 has 2 divisors, whose sum is σ = 7879601118. Its totient is φ = 7879601116.

The previous prime is 7879601101. The next prime is 7879601123. The reversal of 7879601117 is 7111069787.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7216332601 + 663268516 = 84949^2 + 25754^2 .

It is a cyclic number.

It is not a de Polignac number, because 7879601117 - 2⁴ = 7879601101 is a prime.

It is a super-2 number, since 2×7879601117² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7879603117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3939800558 + 3939800559.

It is an arithmetic number, because the mean of its divisors is an integer number (3939800559).

Almost surely, 2^7879601117 is an apocalyptic number.

It is an amenable number.

7879601117 is a deficient number, since it is larger than the sum of its proper divisors (1).

7879601117 is an equidigital number, since it uses as much as digits as its factorization.

7879601117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 47.

The square root of 7879601117 is about 88767.1173182953. The cubic root of 7879601117 is about 1989.9160016900.

The spelling of 7879601117 in words is "seven billion, eight hundred seventy-nine million, six hundred one thousand, one hundred seventeen".