655076879 has 2 divisors, whose sum is σ = 655076880. Its totient is φ = 655076878.

The previous prime is 655076843. The next prime is 655076881. The reversal of 655076879 is 978670556.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-655076879 is a prime.

It is a super-3 number, since 3×655076879³ (a number of 27 digits) contains 333 as substring.

Together with 655076881, 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 655076879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655076819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327538439 + 327538440.

It is an arithmetic number, because the mean of its divisors is an integer number (327538440).

Almost surely, 2^655076879 is an apocalyptic number.

655076879 is a deficient number, since it is larger than the sum of its proper divisors (1).

655076879 is an equidigital number, since it uses as much as digits as its factorization.

655076879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3175200, while the sum is 53.

The square root of 655076879 is about 25594.4696956198. The cubic root of 655076879 is about 868.4885365089.

The spelling of 655076879 in words is "six hundred fifty-five million, seventy-six thousand, eight hundred seventy-nine".