75879458969 has 2 divisors, whose sum is σ = 75879458970. Its totient is φ = 75879458968.

The previous prime is 75879458947. The next prime is 75879458971. The reversal of 75879458969 is 96985497857.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49745503369 + 26133955600 = 223037^2 + 161660^2 .

It is a cyclic number.

It is not a de Polignac number, because 75879458969 - 2¹² = 75879454873 is a prime.

It is a super-2 number, since 2×75879458969² (a number of 23 digits) contains 22 as substring.

Together with 75879458971, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75879458969.

It is not a weakly prime, because it can be changed into another prime (75879458069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37939729484 + 37939729485.

It is an arithmetic number, because the mean of its divisors is an integer number (37939729485).

Almost surely, 2^75879458969 is an apocalyptic number.

It is an amenable number.

75879458969 is a deficient number, since it is larger than the sum of its proper divisors (1).

75879458969 is an equidigital number, since it uses as much as digits as its factorization.

75879458969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1371686400, while the sum is 77.

The spelling of 75879458969 in words is "seventy-five billion, eight hundred seventy-nine million, four hundred fifty-eight thousand, nine hundred sixty-nine".