611958879 has 24 divisors (see below), whose sum is σ = 1042808832. Its totient is φ = 338409360.

The previous prime is 611958863. The next prime is 611958881. The reversal of 611958879 is 978859116.

611958879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 611958879 - 2⁴ = 611958863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611958779) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154719 + ... + 158624.

It is an arithmetic number, because the mean of its divisors is an integer number (43450368).

Almost surely, 2^611958879 is an apocalyptic number.

611958879 is a deficient number, since it is larger than the sum of its proper divisors (430849953).

611958879 is a wasteful number, since it uses less digits than its factorization.

611958879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313387 (or 313384 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 54.

The square root of 611958879 is about 24737.8026307916. The cubic root of 611958879 is about 848.9994589349. Note that the first 3 decimals are identical.

The spelling of 611958879 in words is "six hundred eleven million, nine hundred fifty-eight thousand, eight hundred seventy-nine".