613877 has 4 divisors (see below), whose sum is σ = 669696. Its totient is φ = 558060.

The previous prime is 613861. The next prime is 613883. The reversal of 613877 is 778316.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 613877 - 2⁴ = 613861 is a prime.

It is a super-2 number, since 2×613877² = 753689942258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27893 + ... + 27914.

It is an arithmetic number, because the mean of its divisors is an integer number (167424).

2⁶¹³⁸⁷⁷ is an apocalyptic number.

It is an amenable number.

613877 is a deficient number, since it is larger than the sum of its proper divisors (55819).

613877 is a wasteful number, since it uses less digits than its factorization.

613877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55818.

The product of its digits is 7056, while the sum is 32.

The square root of 613877 is about 783.5030312641. The cubic root of 613877 is about 84.9885567063.

The spelling of 613877 in words is "six hundred thirteen thousand, eight hundred seventy-seven".