7509980879 has 2 divisors, whose sum is σ = 7509980880. Its totient is φ = 7509980878.

The previous prime is 7509980813. The next prime is 7509980893. The reversal of 7509980879 is 9780899057.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7509980879 - 2²⁰ = 7508932303 is a prime.

It is a super-2 number, since 2×7509980879² (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 (7509980479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3754990439 + 3754990440.

It is an arithmetic number, because the mean of its divisors is an integer number (3754990440).

Almost surely, 2^7509980879 is an apocalyptic number.

7509980879 is a deficient number, since it is larger than the sum of its proper divisors (1).

7509980879 is an equidigital number, since it uses as much as digits as its factorization.

7509980879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11430720, while the sum is 62.

The square root of 7509980879 is about 86660.1458514812. The cubic root of 7509980879 is about 1958.3017428087.

The spelling of 7509980879 in words is "seven billion, five hundred nine million, nine hundred eighty thousand, eight hundred seventy-nine".