5155555679 has 2 divisors, whose sum is σ = 5155555680. Its totient is φ = 5155555678.

The previous prime is 5155555663. The next prime is 5155555693. The reversal of 5155555679 is 9765555515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5155555679 - 2⁴ = 5155555663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5155555679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5155555579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2577777839 + 2577777840.

It is an arithmetic number, because the mean of its divisors is an integer number (2577777840).

Almost surely, 2^5155555679 is an apocalyptic number.

5155555679 is a deficient number, since it is larger than the sum of its proper divisors (1).

5155555679 is an equidigital number, since it uses as much as digits as its factorization.

5155555679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5906250, while the sum is 53.

The square root of 5155555679 is about 71802.1982880747. The cubic root of 5155555679 is about 1727.5282597477.

The spelling of 5155555679 in words is "five billion, one hundred fifty-five million, five hundred fifty-five thousand, six hundred seventy-nine".